In law, an answer was originally a solemn assertion in opposition to someone or something, and thus generally any counter-statement or defense, a reply to a question or response, or objection, or a correct solution of a problem.

What does answerer mean?

Noun. 1. answerer - someone who responds. responder, respondent. communicator - a person who communicates with others.

What it means by briefly describe?

Briefly means for a short amount of time. It can also mean concisely or in a few words, as opposed to in a longer manner, as in State your main argument briefly in a sentence or two. Briefly is the adverb form of the adjective brief, which most commonly means lasting a short time or concise.