Both the similarities and differences must be included in the correct answer. Discuss in detail means to state what the concept is, its characteristics, how it works and why its important. Basically, tell me everything you've learned about the concept. Discuss by example means to state what the concept is and use an example to explain how the concept works. Describe means to state the specific characteristics or components of the concept or idea.
List means to simply jot down in non-sentence form the items that are requested.
A complete explanation will also include the supporting information and the concept. Answering multiple questions. Read the leading question or statement carefully . Underline what it is that you are asked to choose. Read all possible choices carefully.