I think the correct answer from the choices listed above is option B. The element that should be placed on the backside of a word card is the pronunciation of the word. This should be more helpful to the one you are teaching because you will know the right pronunciation of the word.
Answer:
If don't have any problem in questoin then why r you asking such type of question which's answer was already given?
Revision involves clarifying purpose and meaning.
All other choices would be incorrect because they are a part of the process of editing.