add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; "She elaborated on the main ideas in her dissertation"
If you flesh out something such as a story or plan, you add details and more information to it. He talked with him for an hour and a half, fleshing out the details of his original five-minute account
{f} make fat, make fuller, fatten; become shapely; become plump, become fat; elaborate, provide additional details; expound; expatiate, go into great detail