Text this: Roles in ORM: A suggested semantics

اكتمل التصدير —  

 _    _      ___                 ___      _____   
| |  | ||   / _ \\      ___     / _ \\   / ____|| 
| |/\| ||  | / \ ||    /   ||  / //\ \\ / //---`' 
|  /\  ||  | \_/ ||   | [] || |  ___  ||\ \\___   
|_// \_||   \___//     \__ || |_||  |_|| \_____|| 
`-`   `-`   `---`       -|_|| `-`   `-`   `----`  
                         `-`