Uses in Real Life Metadata Type Theory Format Video Complexity 1 Problem Answer Solution_Text_Or_Flashcards Video_Theory_Or_Solution V.Problem 1 Metadata Type Problem_Solution Format Video Complexity 3 Problem Answer Solution_Text_Or_Flashcards Video_Theory_Or_Solution T.Problem 6 Metadata Type Problem_Solution Format Text Complexity 3 Problem Answer Solution_Text_Or_Flashcards Video_Theory_Or_Solution Theory 2 Metadata Type Theory Format Video Complexity 2 Problem Answer Solution_Text_Or_Flashcards Video_Theory_Or_Solution