<span>A statement of the exact meaning of a word, especially in a dictionary.</span>
This sentence would probably be a citation in APA style. Citations on research papers are very important since they give due credit to the original owner of the statement. Statements that don't have citations tells the readers that those statements are of the researcher/s alone which would be a problem for them if found out that it wasn't theirs to begin with. This would result to a work of plagiarism which is a grave sin in constructing research papers and is more equated with the act of stealing.
A. Literary Movement
A literary movement is used to describe a trend in literature that is characterised by the shared assumptions, beliefs and practices of an influential group of writers. A literary movement consists of pieces of literary work from different authors but usually in the same era. They are all considered as a part of one literary movement because of similarity in ideas.
A so it follows the story (but i guess you could also use B at the same time)
