{"id":6385,"date":"2026-02-04T17:41:03","date_gmt":"2026-02-04T09:41:03","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-system-complexity-determining-the-levels-of-data-flow-diagrams\/"},"modified":"2026-02-04T17:41:03","modified_gmt":"2026-02-04T09:41:03","slug":"navigating-system-complexity-determining-the-levels-of-data-flow-diagrams","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-system-complexity-determining-the-levels-of-data-flow-diagrams\/","title":{"rendered":"\u30b7\u30b9\u30c6\u30e0\u8907\u96d1\u6027\u306e\u7ba1\u7406\uff1a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u306e\u30ec\u30d9\u30eb\u3092\u6c7a\u5b9a\u3059\u308b"},"content":{"rendered":"<h2><strong>\u306f\u3058\u3081\u306b<\/strong><\/h2>\n<p>\u30b7\u30b9\u30c6\u30e0\u5206\u6790\u304a\u3088\u3073\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3001<a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3<\/a> (DFDs) \u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u60c5\u5831\u30d5\u30ed\u30fc\u3068\u30d7\u30ed\u30bb\u30b9\u306e\u8907\u96d1\u3055\u3092\u89e3\u660e\u3059\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u8ab2\u984c\u306f\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u6982\u8981\u3092\u63d0\u4f9b\u3059\u308b\u306e\u3068\u3001\u7d30\u90e8\u307e\u3067\u6398\u308a\u4e0b\u3052\u308b\u306e\u3068\u306e\u9593\u3067\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u306b\u3042\u308b\u3002\u3053\u306e\u8b70\u8ad6\u3067\u306f\u3001DFD\u306e\u30ec\u30d9\u30eb\u6570\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306e\u8003\u616e\u4e8b\u9805\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u691c\u8a0e\u3057\u3001\u5404\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u56f3\u793a\u30d7\u30ed\u30bb\u30b9\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p>\n<p id=\"diLukNL\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-2749\" decoding=\"async\" fetchpriority=\"high\" height=\"327\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/img_6525fa765caea.png\" width=\"871\"\/><\/p>\n<h2>DFD\u3092\u7528\u3044\u305f\u30b7\u30b9\u30c6\u30e0\u5206\u89e3<\/h2>\n<p><strong>1. \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u6982\u8981\uff1a<\/strong> \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u306f\u3001\u5168\u4f53\u306e\u30b7\u30b9\u30c6\u30e0\u304a\u3088\u3073\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u9ad8\u30ec\u30d9\u30eb\u3067\u793a\u3059\u3002\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u767a\u751f\u6e90\u307e\u305f\u306f\u5230\u7740\u5148\u3092\u6307\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5916\u306e\u30b7\u30b9\u30c6\u30e0\u3001\u4eba\u3001\u307e\u305f\u306f\u7d44\u7e54\u3092\u8868\u3059\u3002<\/li>\n<li><strong>\u4f7f\u7528\u3055\u308c\u308b\u8a18\u53f7\uff1a<\/strong>\n<ul>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\uff08\u4e38\u89d2\u9577\u65b9\u5f62\uff09\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u3059\u3002<\/li>\n<li><strong>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u6b63\u65b9\u5f62\uff09\uff1a<\/strong> \u30c7\u30fc\u30bf\u306e\u767a\u751f\u6e90\u307e\u305f\u306f\u5230\u7740\u5148\u3092\u8868\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\uff08\u77e2\u5370\uff09\uff1a<\/strong> \u30d7\u30ed\u30bb\u30b9\u3068\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u8868\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>2. \u30ec\u30d9\u30eb1\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u6982\u8981\uff1a<\/strong> \u30ec\u30d9\u30eb1 DFD\u306f\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u3088\u308a\u3082\u8a73\u7d30\u306a\u8996\u70b9\u3092\u63d0\u4f9b\u3059\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u3092\u4e3b\u8981\u306a\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306b\u5206\u89e3\u3057\u3001\u4e3b\u8981\u306a\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092\u5f37\u8abf\u3059\u308b\u3002<\/li>\n<li><strong>\u4f7f\u7528\u3055\u308c\u308b\u8a18\u53f7\uff1a<\/strong>\n<ul>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\uff08\u4e38\u89d2\u9577\u65b9\u5f62\uff09\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u5185\u306e\u4e3b\u8981\u306a\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u3059\u3002<\/li>\n<li><strong>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u6b63\u65b9\u5f62\uff09\uff1a<\/strong> \u30c7\u30fc\u30bf\u306e\u767a\u751f\u6e90\u307e\u305f\u306f\u5230\u7740\u5148\u3092\u5f15\u304d\u7d9a\u304d\u8868\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\uff08\u5e73\u884c\u7dda\uff09\uff1a<\/strong> \u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u308b\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u8868\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\uff08\u77e2\u5370\uff09\uff1a<\/strong> \u30d7\u30ed\u30bb\u30b9\u3001\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u9593\u306e\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u793a\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>3. \u30ec\u30d9\u30eb2\uff08\u304a\u3088\u3073\u305d\u308c\u4ee5\u4e0b\uff09\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u6982\u8981\uff1a<\/strong>\u300c\u30ec\u30d9\u30eb\u5316\u300d\u3068\u547c\u3070\u308c\u308b\u6280\u8853\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u73fe\u5b9f\u4e16\u754c\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u8a73\u7d30\u306a\u8907\u96d1\u3055\u306f\u3001\u62bd\u8c61\u5316\u306e\u968e\u5c64\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u7ba1\u7406\u3055\u308c\u308b\u3002\u30ec\u30d9\u30eb2\u306eDFD\u304a\u3088\u3073\u305d\u308c\u4ee5\u4e0b\u306e\u30ec\u30d9\u30eb\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u3088\u308a\u8a73\u7d30\u306a\u8996\u70b9\u3092\u63d0\u4f9b\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306b\u5206\u89e3\u3057\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3068\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u8a73\u7d30\u3092\u3055\u3089\u306b\u660e\u78ba\u306b\u3059\u308b\u3002<\/li>\n<li><strong>\u4f7f\u7528\u3055\u308c\u308b\u8a18\u53f7\uff1a<\/strong>\n<ul>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\uff08\u4e38\u89d2\u9577\u65b9\u5f62\uff09\uff1a<\/strong>\u3088\u308a\u8a73\u7d30\u306a\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306b\u5206\u89e3\u3059\u308b\u3002<\/li>\n<li><strong>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u6b63\u65b9\u5f62\uff09\uff1a<\/strong>\u30c7\u30fc\u30bf\u306e\u767a\u751f\u6e90\u307e\u305f\u306f\u5230\u7740\u5148\u3068\u3057\u3066\u306e\u5f79\u5272\u3092\u7dad\u6301\u3059\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\uff08\u5e73\u884c\u7dda\uff09\uff1a<\/strong>\u30c7\u30fc\u30bf\u306e\u4fdd\u7ba1\u5eab\u3092\u5f15\u304d\u7d9a\u304d\u8868\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\uff08\u77e2\u5370\uff09\uff1a<\/strong>\u30d7\u30ed\u30bb\u30b9\u3001\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u9593\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306e\u8a73\u7d30\u306a\u7d4c\u8def\u3092\u793a\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u306e\u4f5c\u6210\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u7279\u5b9a\uff1a<\/strong>\u307e\u305a\u3001\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u308c\u3089\u304c\u30b7\u30b9\u30c6\u30e0\u3068\u884c\u3046\u76f8\u4e92\u4f5c\u7528\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\u306e\u5b9a\u7fa9\uff1a<\/strong>\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u4e3b\u8981\u306a\u30d7\u30ed\u30bb\u30b9\u3092\u7279\u5b9a\u3057\u5b9a\u7fa9\u3059\u308b\u3002\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u3067\u306f\u3053\u308c\u3089\u306f\u9ad8\u30ec\u30d9\u30eb\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308a\u3001\u30ec\u30d9\u30eb1\u304a\u3088\u3073\u305d\u308c\u4ee5\u4e0b\u306e\u30ec\u30d9\u30eb\u3067\u306f\u3001\u3088\u308a\u8a73\u7d30\u306a\u30d7\u30ed\u30bb\u30b9\u3068\u306a\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306e\u6c7a\u5b9a\uff1a<\/strong>\u30d7\u30ed\u30bb\u30b9\u3001\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u9593\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u78ba\u7acb\u3059\u308b\u3002\u5404\u30d7\u30ed\u30bb\u30b9\u3078\u306e\u5165\u529b\u30c7\u30fc\u30bf\u304a\u3088\u3073\u51fa\u529b\u30c7\u30fc\u30bf\u3092\u660e\u78ba\u306b\u6307\u5b9a\u3059\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u7279\u5b9a\uff1a<\/strong>\u60c5\u5831\u304c\u4fdd\u5b58\u304a\u3088\u3073\u53d6\u5f97\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092\u8a8d\u8b58\u3059\u308b\u3002<\/li>\n<li><strong>\u56f3\u306e\u4f5c\u6210\uff1a<\/strong>\u9069\u5207\u306a\u8a18\u53f7\u3092\u4f7f\u7528\u3057\u3066\u56f3\u3092\u4f5c\u6210\u3059\u308b\u3002\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u306f\u9ad8\u30ec\u30d9\u30eb\u306e\u76f8\u4e92\u4f5c\u7528\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3002\u30ec\u30d9\u30eb1\u306e\u56f3\u306f\u3088\u308a\u8a73\u7d30\u3092\u63d0\u4f9b\u3057\u3001\u4f4e\u30ec\u30d9\u30eb\u306e\u56f3\u306f\u30d7\u30ed\u30bb\u30b9\u3092\u3055\u3089\u306b\u7d30\u304b\u304f\u5206\u89e3\u3059\u308b\u3002<\/li>\n<li><strong>\u30ec\u30d9\u30eb\u5316\uff1a<\/strong>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u8907\u96d1\u3055\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u30ec\u30d9\u30eb\u5316\u3092\u9069\u7528\u3059\u308b\u3002\u30d7\u30ed\u30bb\u30b9\u3092\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306b\u5206\u89e3\u3057\u3001\u4f4e\u30ec\u30d9\u30eb\u306eDFD\u3092\u4f5c\u6210\u3059\u308b\u3002<\/li>\n<\/ol>\n<p><strong>\u30ec\u30d9\u30eb\u6570\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u306e\u8907\u96d1\u3055\uff1a<\/strong>\u30b7\u30b9\u30c6\u30e0\u304c\u8907\u96d1\u306b\u306a\u308b\u307b\u3069\u3001\u8a73\u7d30\u3092\u9069\u5207\u306b\u6349\u3048\u308b\u305f\u3081\u306b\u591a\u304f\u306e\u30ec\u30d9\u30eb\u304c\u5fc5\u8981\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u4ef6\uff1a<\/strong>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u304a\u3088\u3073\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u4ef6\u306b\u3088\u3063\u3066\u6c42\u3081\u3089\u308c\u308b\u8a73\u7d30\u5ea6\u304c\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u3002\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u304c\u30d7\u30ed\u30bb\u30b9\u306e\u8a73\u7d30\u306a\u7406\u89e3\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3001\u3088\u308a\u591a\u304f\u306e\u30ec\u30d9\u30eb\u304c\u5fc5\u8981\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u7bc4\u56f2\uff1a<\/strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u7bc4\u56f2\u3082\u30ec\u30d9\u30eb\u6570\u3092\u6c7a\u5b9a\u3059\u308b\u8981\u56e0\u3068\u306a\u308b\u3002\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3059\u3079\u3066\u306e\u8907\u96d1\u3055\u3092\u6349\u3048\u308b\u305f\u3081\u306b\u3088\u308a\u591a\u304f\u306e\u30ec\u30d9\u30eb\u3092\u5fc5\u8981\u3068\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u660e\u78ba\u3055\u3068\u8a73\u7d30\u306e\u30d0\u30e9\u30f3\u30b9\uff1a<\/strong> 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\u5404\u30ec\u30d9\u30eb\u306e\u76ee\u7684\u3068\u7bc4\u56f2\u3092\u660e\u78ba\u306b\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u304c\u5404DFD\u304c\u4f55\u3092\u8868\u3057\u3066\u3044\u308b\u304b\u3001\u5168\u4f53\u306e\u5206\u6790\u306e\u4e2d\u3067\u3069\u306e\u3088\u3046\u306b\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3066\u3044\u308b\u304b\u3092\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2><strong>\u7c21\u5358\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u4f5c\u6210<\/strong><\/h2>\n<p><strong>Visual Paradigm\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306e\u529b\u3092\u89e3\u304d\u653e\u3064<\/strong><\/p>\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u304a\u3088\u3073\u30d3\u30b8\u30cd\u30b9\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u7684\u306a\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u660e\u78ba\u306b\u8868\u73fe\u3059\u308b\u80fd\u529b\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u306b\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\uff08DFD\uff09\u304c\u767b\u5834\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u60c5\u5831\u306e\u6d41\u308c\u3092\u660e\u78ba\u306b\u793a\u3059\u5f37\u529b\u306a\u53ef\u8996\u5316\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u56f3\u306e\u4f5c\u6210\u3092\u7c21\u7d20\u5316\u30fb\u8fc5\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u3001<a href=\"http:\/\/visual-paradigm.com\">Visual Paradigm<\/a>\u306f\u3001<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/dfd-maker\/\">\u30aa\u30f3\u30e9\u30a4\u30f3DFD\u30c4\u30fc\u30eb<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u56f3\u306e\u4f5c\u6210\u306b\u304a\u3044\u3066\u30b9\u30d4\u30fc\u30c9\u3001\u660e\u78ba\u3055\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30ea\u30ba\u30e0\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002Visual Paradigm\u304cDFD\u4f5c\u6210\u306b\u304a\u3044\u3066\u7a76\u6975\u306e\u9078\u629e\u80a2\u3068\u306a\u308b\u7279\u5fb4\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"http:\/\/online.visual-paradigm.com\">Visual Paradigm\u306e\u30aa\u30f3\u30e9\u30a4\u30f3<\/a>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u304a\u3088\u3073\u611b\u597d\u5bb6\u306b\u3068\u3063\u3066\u306e\u6700\u9069\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3001\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u3001\u660e\u78ba\u3067\u7c21\u6f54\u306aDFD\u306e\u8fc5\u901f\u306a\u4f5c\u6210\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3042\u308d\u3046\u3068\u3001DFD\u306b\u521d\u3081\u3066\u89e6\u308c\u308b\u521d\u5fc3\u8005\u3067\u3042\u308d\u3046\u3068\u3001Visual Paradigm\u306e\u30c4\u30fc\u30eb\u306f\u76f4\u611f\u7684\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u63d0\u4f9b\u3057\u3001DFD\u306e\u63cf\u753b\u3084\u7de8\u96c6\u3092\u7c21\u5358\u306b\u3067\u304d\u307e\u3059\u3002\u8c4a\u5bcc\u306a\u4f8b\u304b\u3089\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u3001DFD\u304c\u60c5\u5831\u6027\u3060\u3051\u3067\u306a\u304f\u8996\u899a\u7684\u306b\u3082\u9b45\u529b\u7684\u306b\u306a\u308b\u3088\u3046\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u8ce2\u660e\u306a\u9078\u629e\u3092\u3057\u307e\u3057\u3087\u3046\u2014\u2014Visual Paradigm\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u30e1\u30fc\u30ab\u30fc\u3092\u6d3b\u7528\u3057\u3066\u3001\u30b9\u30e0\u30fc\u30ba\u3067\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u56f3\u4f5c\u6210\u4f53\u9a13\u3092\u5b9f\u73fe\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h1 class=\"template-page-title-h1\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/h1>\n<p>\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/data-flow-diagram\/\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/a><\/p>\n<p id=\"VgtWaYK\"><img alt=\"\" class=\"alignnone size-full wp-image-2750\" decoding=\"async\" height=\"337\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/img_6525faab86b6d.png\" width=\"1676\"\/><\/p>\n<p>\u00a0<\/p>\n<h2><strong>\u8981\u7d04<\/strong><\/h2>\n<p>DFD\u306b\u4f55\u30ec\u30d9\u30eb\u3092\u7d44\u307f\u8fbc\u3080\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8907\u96d1\u3055\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306e\u30cb\u30fc\u30ba\u3068\u3044\u3063\u305f\u8981\u56e0\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u308b\u5fae\u5999\u306a\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u901a\u5e38\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\uff08\u30ec\u30d9\u30eb0\uff09\u304b\u3089\u59cb\u307e\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u4fef\u77b0\u7684\u306b\u628a\u63e1\u3059\u308b\u8996\u70b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b7\u30b9\u30c6\u30e0\u306e\u8907\u96d1\u3055\u306b\u5fdc\u3058\u3066\u3001\u30ec\u30d9\u30eb1\u306eDFD\u306f\u3088\u308a\u8a73\u7d30\u306a\u5206\u89e3\u3092\u63d0\u4f9b\u3059\u308b\u3002\u53cd\u5fa9\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306e\u53c2\u52a0\u306f\u3001\u30ec\u30d9\u30eb\u6570\u3092\u6700\u9069\u5316\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3001\u5404\u30ec\u30d9\u30eb\u304c\u660e\u78ba\u3055\u3068\u8a73\u7d30\u3055\u306e\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u4fdd\u3064\u3053\u3068\u3092\u78ba\u4fdd\u3059\u308b\u3002\u6700\u7d42\u7684\u306b\u306f\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3092\u6df7\u4e71\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u52b9\u679c\u7684\u306b\u4f1d\u3048\u308b\u5305\u62ec\u7684\u306aDFD\u306e\u30bb\u30c3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u76ee\u7684\u3067\u3042\u308b\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u30b7\u30b9\u30c6\u30e0\u5206\u6790\u304a\u3088\u3073\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3 (DFDs) \u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u60c5\u5831\u30d5\u30ed\u30fc\u3068\u30d7\u30ed\u30bb\u30b9\u306e\u8907\u96d1\u3055\u3092\u89e3\u660e\u3059\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u8ab2\u984c\u306f\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u6982\u8981\u3092\u63d0\u4f9b\u3059\u308b\u306e\u3068\u3001\u7d30\u90e8\u307e\u3067\u6398\u308a\u4e0b\u3052\u308b\u306e\u3068\u306e\u9593\u3067\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u306b\u3042\u308b\u3002\u3053\u306e\u8b70\u8ad6\u3067\u306f\u3001DFD\u306e\u30ec\u30d9\u30eb\u6570\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306e\u8003\u616e\u4e8b\u9805\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u691c\u8a0e\u3057\u3001\u5404\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u56f3\u793a\u30d7\u30ed\u30bb\u30b9\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3059\u308b\u3002 DFD\u3092\u7528\u3044\u305f\u30b7\u30b9\u30c6\u30e0\u5206\u89e3 1. \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\uff1a \u6982\u8981\uff1a \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u306f\u3001\u5168\u4f53\u306e\u30b7\u30b9\u30c6\u30e0\u304a\u3088\u3073\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u9ad8\u30ec\u30d9\u30eb\u3067\u793a\u3059\u3002\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u767a\u751f\u6e90\u307e\u305f\u306f\u5230\u7740\u5148\u3092\u6307\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5916\u306e\u30b7\u30b9\u30c6\u30e0\u3001\u4eba\u3001\u307e\u305f\u306f\u7d44\u7e54\u3092\u8868\u3059\u3002 \u4f7f\u7528\u3055\u308c\u308b\u8a18\u53f7\uff1a \u30d7\u30ed\u30bb\u30b9\uff08\u4e38\u89d2\u9577\u65b9\u5f62\uff09\uff1a \u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u3059\u3002 \u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u6b63\u65b9\u5f62\uff09\uff1a 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