Header-Detail Pattern for “Purchase Order” “Header-Detail” modeling pattern Kenji Hiranabe (CEO of Astah) explains a well-known analysis pattern called “Header-Detail” using a “Purchase Order” form commonly used in real-life business. Watch video at https://www.youtube.com/watch?v=b38DI6cPPs0 Satomi Joba February 20, 2015 Leave a Comment