I learn best from examples, and here is an example of a good answer to a SWR. Of course there are many other answers that could serve as examples of good SWR answers, but this one was easy for me to find because it was mine.
The answer proposes icon to describe Rosa Parks, and gives the dictionary definition of the word. It then briefly discusses the history of icon, and explains why the religious origin of the word makes it suitable to apply to Rosa Parks. The answer goes on to give other, completely secular, meanings of icon in modern life, and then returns to the applicability of the word to Rosa Parks.
I have to say that I don't think the question was a stellar question, and ifIf the answer had given only a dictionary definition, it would have been a poor answer.