Document (task) pages have at least two FastTabs in a header/detail format. The FastTab at the top contains the header fields in a card style format, followed by a FastTab containing multiple records in a list style format (a ListPart page). Some examples are Sales Orders, Sales Invoices, Purchase Orders, Purchase Invoices, and Production Orders. The Document page type is appropriate whenever we have a parent record tied to subordinate child records in a one-to-many relationship. A Document page may also have FactBoxes. An example, the Sales Order Document page - Page 42, follows with two FastTabs expanded and four FastTabs collapsed: