{"id":6371,"date":"2026-02-04T14:45:34","date_gmt":"2026-02-04T06:45:34","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/ja\/demystifying-use-cases-scenarios-flow-of-events-and-templates\/"},"modified":"2026-02-04T14:45:34","modified_gmt":"2026-02-04T06:45:34","slug":"demystifying-use-cases-scenarios-flow-of-events-and-templates","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/ja\/demystifying-use-cases-scenarios-flow-of-events-and-templates\/","title":{"rendered":"\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3001\u30b7\u30ca\u30ea\u30aa\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u89e3\u660e"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u5206\u6790\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3001\u660e\u78ba\u3067\u5305\u62ec\u7684\u306a\u30d6\u30eb\u30fc\u30d7\u30ea\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30b7\u30ca\u30ea\u30aa\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c\u3001\u304a\u3088\u3073\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306f\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3059\u3002\u3053\u308c\u3089\u5404\u8981\u7d20\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u691c\u8a0e\u3057\u3001\u305d\u308c\u3089\u306e\u95a2\u4fc2\u6027\u3068\u3001\u5805\u7262\u306a\u30b7\u30b9\u30c6\u30e0\u69cb\u7bc9\u306b\u3069\u306e\u3088\u3046\u306b\u8ca2\u732e\u3059\u308b\u304b\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img alt=\"Use Case Diagram Template\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/514b156d-0257-4a05-bf77-1636e1c0815b\/use-case-diagram-design\/use-case-diagram-template.png\"\/><\/p>\n<h2>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u7406\u89e3<\/h2>\n<p>A <a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/a>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u3001\u5916\u90e8\u304b\u3089\u306e\u8996\u70b9\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u306e\u6a5f\u80fd\u3092\u9ad8\u30ec\u30d9\u30eb\u3067\u8a18\u8ff0\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u5916\u90e8\u30a2\u30af\u30bf\u30fc\uff08\u30e6\u30fc\u30b6\u30fc\u307e\u305f\u306f\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\uff09\u3068\u30b7\u30b9\u30c6\u30e0\u81ea\u4f53\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b\u57fa\u76e4\u3068\u306a\u308a\u3001\u6a5f\u80fd\u8981\u4ef6\u3092\u628a\u63e1\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p><img alt=\"Documenting use case details in Visual Paradigm\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/flow_of_events_of_use_case_25219.png\"\/><\/p>\n<p id=\"LxrXGGM\">\n<h2>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30b7\u30ca\u30ea\u30aa<\/h2>\n<p>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30b7\u30ca\u30ea\u30aa\u306f\u3001\u7279\u5b9a\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u304c\u3069\u306e\u3088\u3046\u306b\u5c55\u958b\u3055\u308c\u308b\u304b\u3092\u8a73\u7d30\u306b\u7269\u8a9e\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30b7\u30ca\u30ea\u30aa\u306f\u3001\u5916\u90e8\u30a2\u30af\u30bf\u30fc\u3068\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u306e\u9806\u5e8f\u3092\u793a\u3057\u3001\u5b9f\u884c\u4e2d\u306b\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u3055\u307e\u3056\u307e\u306a\u30b9\u30c6\u30c3\u30d7\u3084\u6761\u4ef6\u3092\u63cf\u5199\u3057\u307e\u3059\u3002\u3088\u308a\u8a73\u7d30\u306a\u8996\u70b9\u3092\u63d0\u4f9b\u3057\u3001\u958b\u767a\u8005\u3084\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u304c\u5177\u4f53\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u3068\u306e\u3084\u308a\u53d6\u308a\u3092\u8996\u899a\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h2>\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c<\/h2>\n<p>The<a href=\"https:\/\/guides.visual-paradigm.com\/mastering-use-case-elaboration-flow-of-events-and-sequence-diagrams\/\"> 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\n<li><strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u30b7\u30ca\u30ea\u30aa\uff1a<\/strong>\n<ul>\n<li><em>\u30b7\u30ca\u30ea\u30aa\uff1a<\/em>\u30e6\u30fc\u30b6\u30fc\u306f\u5546\u54c1\u3092\u30ab\u30fc\u30c8\u306b\u8ffd\u52a0\u3057\u3001\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u3078\u9032\u3080\u3002<\/li>\n<li><em>\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c\uff1a<\/em>\n<ol>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u5546\u54c1\u3092\u95b2\u89a7\u3057\u3001\u30ab\u30fc\u30c8\u306b\u5546\u54c1\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u30da\u30fc\u30b8\u3078\u79fb\u52d5\u3059\u308b\u3002<\/li>\n<li>\u30b7\u30b9\u30c6\u30e0\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u6ce8\u6587\u306e\u78ba\u8a8d\u3092\u4fc3\u3059\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u6ce8\u6587\u3092\u78ba\u8a8d\u3057\u3001\u63d0\u51fa\u3059\u308b\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\uff1a<\/strong>\n<ul>\n<li><em>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u540d\uff1a<\/em>\u6ce8\u6587\u3059\u308b<\/li>\n<li><em>\u8aac\u660e\uff1a<\/em>\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u5546\u54c1\u3092\u8cfc\u5165\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3059\u308b\u3002<\/li>\n<li><em>\u30a2\u30af\u30bf\u30fc\uff1a<\/em>\u767b\u9332\u6e08\u307f\u30e6\u30fc\u30b6\u30fc<\/li>\n<li><em>\u4e8b\u524d\u6761\u4ef6\uff1a<\/em>\u30e6\u30fc\u30b6\u30fc\u306f\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u3002<\/li>\n<li><em>\u4e8b\u5f8c\u6761\u4ef6\uff1a<\/em>\u6ce8\u6587\u304c\u6b63\u5e38\u306b\u5b8c\u4e86\u3059\u308b\u3002<\/li>\n<li><em>\u4e3b\u306a\u6d41\u308c\uff1a<\/em>\n<ol>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u5546\u54c1\u3092\u30ab\u30fc\u30c8\u306b\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u30da\u30fc\u30b8\u3078\u79fb\u52d5\u3059\u308b\u3002<\/li>\n<li>\u30b7\u30b9\u30c6\u30e0\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u6ce8\u6587\u306e\u78ba\u8a8d\u3092\u4fc3\u3059\u3002<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u6ce8\u6587\u3092\u78ba\u8a8d\u3057\u3001\u63d0\u51fa\u3059\u308b\u3002<\/li>\n<\/ol>\n<\/li>\n<li><em>\u4ee3\u66ff\u30d5\u30ed\u30fc\uff1a<\/em> \u3053\u306e\u5834\u5408\u3001\u4f55\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u3053\u306e\u4f8b\u3067\u306f\uff1a<\/p>\n<ul>\n<li>\u305d\u306e<strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>\u306f\u3001\u6a5f\u80fd\u306e\u9ad8\u30ec\u30d9\u30eb\u306a\u8aac\u660e\u3067\u3042\u308a\u3001\u6ce8\u6587\u306e\u51e6\u7406\u3092\u6307\u3059\u3002<\/li>\n<li>\u305d\u306e<strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30b7\u30ca\u30ea\u30aa<\/strong>\u306f\u3001\u6ce8\u6587\u306e\u51e6\u7406\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u4e8b\u4f8b\u3092\u5206\u89e3\u3057\u3001\u30ed\u30b0\u30a4\u30f3\u304b\u3089\u6ce8\u6587\u306e\u78ba\u8a8d\u307e\u3067\u306e\u624b\u9806\u3092\u8a73\u7d30\u306b\u793a\u3059\u3002<\/li>\n<li>\u305d\u306e<strong>\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c<\/strong>\u306f\u3001\u30b7\u30ca\u30ea\u30aa\u306e\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u9806\u5e8f\u3092\u63d0\u4f9b\u3057\u3001\u884c\u52d5\u3068\u610f\u601d\u6c7a\u5b9a\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u660e\u793a\u3059\u308b\u3002<\/li>\n<li>\u305d\u306e<strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/strong>\u306f\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u63d0\u4f9b\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u9593\u3067\u306e\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u5206\u89e3\u306b\u3088\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u306e\u3088\u3046\u306a\u73fe\u5b9f\u4e16\u754c\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u3001\u3053\u308c\u3089\u306e\u8981\u7d20\u9593\u306e\u968e\u5c64\u69cb\u9020\u3068\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3002<\/p>\n<h2>\u95a2\u4fc2\u3092\u56f3\u793a\u3059\u308b<\/h2>\n<p>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30b7\u30ca\u30ea\u30aa\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u9055\u3044\u3092\u3001\u660e\u78ba\u306a\u5bfe\u6bd4\u306e\u305f\u3081\u306b\u8868\u3092\u4f7f\u3063\u3066\u6bd4\u8f03\u3057\u307e\u3057\u3087\u3046\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5074\u9762<\/th>\n<th>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/th>\n<th>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30b7\u30ca\u30ea\u30aa<\/th>\n<th>\u30a4\u30d9\u30f3\u30c8\u306e\u6d41\u308c<\/th>\n<th>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u76ee\u7684<\/strong><\/td>\n<td>\u5168\u4f53\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u6a5f\u80fd\u3092\u8a18\u8ff0\u3059\u308b<\/td>\n<td>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u8a73\u7d30\u306a\u4e8b\u4f8b\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<td>\u30b7\u30ca\u30ea\u30aa\u5185\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u5206\u89e3\u3059\u308b<\/td>\n<td>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u8a73\u7d30\u3092\u8a18\u9332\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7bc4\u56f2<\/strong><\/td>\n<td>\u9ad8\u30ec\u30d9\u30eb<\/td>\n<td>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5185\u306e\u7279\u5b9a\u306e\u4e8b\u4f8b<\/td>\n<td>\u884c\u52d5\u306e\u8a73\u7d30\u306a\u8996\u70b9<\/td>\n<td>\u6587\u66f8\u4f5c\u6210\u306e\u305f\u3081\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u69cb\u9020<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5185\u5bb9<\/strong><\/td>\n<td>\u5e83\u7bc4\u306a\u6a5f\u80fd\u6027<\/td>\n<td>\u30e6\u30fc\u30b6\u30fc\u76f8\u4e92\u4f5c\u7528\u306e\u8a73\u7d30\u306a\u7269\u8a9e<\/td>\n<td>\u884c\u52d5\u306e\u6642\u7cfb\u5217\u9806\u5e8f<\/td>\n<td>\u540d\u524d\u3001\u8aac\u660e\u3001\u30a2\u30af\u30bf\u30fc\u3001\u4e8b\u524d\u6761\u4ef6\u3001\u4e8b\u5f8c\u6761\u4ef6\u3001\u4e3b\u306a\u6d41\u308c\u3001\u4ee3\u66ff\u6d41\u308c\u306e\u30bb\u30af\u30b7\u30e7\u30f3<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7126\u70b9<\/strong><\/td>\n<td>\u6982\u5ff5\u7684<\/td>\n<td>\u7279\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u76f8\u4e92\u4f5c\u7528<\/td>\n<td>\u8a73\u7d30\u306a\u30b9\u30c6\u30c3\u30d7\u3068\u610f\u601d\u6c7a\u5b9a\u30dd\u30a4\u30f3\u30c8<\/td>\n<td>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u8a73\u7d30\u306e\u69cb\u9020\u5316\u3055\u308c\u305f\u8868\u73fe<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8a73\u7d30\u5ea6<\/strong><\/td>\n<td>\u4e00\u822c\u7684<\/td>\n<td>\u3088\u308a\u5177\u4f53\u7684<\/td>\n<td>\u8a73\u7d30\u3067\u9806\u6b21\u7684<\/td>\n<td>\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u308b\u304c\u8a73\u7d30<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8868\u73fe<\/strong><\/td>\n<td>\u6982\u5ff5\u30e2\u30c7\u30eb<\/td>\n<td>\u7269\u8a9e\u7684\u30c6\u30ad\u30b9\u30c8<\/td>\n<td>\u9806\u6b21\u7684\u306a\u30b9\u30c6\u30c3\u30d7<\/td>\n<td>\u69cb\u9020\u5316\u3055\u308c\u305f\u6587\u66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