Literally, to complete school work that has been assigned to do your homework done at home. You can’t watch any more television until you do your homework!
To be thoroughly prepared and informed for something, such as a meeting, interview, or report. If you do your homework, you prepare for something, especially by finding out information about it. Before you buy any shares, do your homework. Doing your homework before you make your request will help you to have a confident manner. He had just not done his homework for the interview. Want to thank TFD for its existence?