What is proofreading? A. Rereading your first drafts for global revisions
B. Checking your final draft for typos and bad grammar
C. Proving that your research on the topic is correct
D. Fine-tuning your sentences to make them stronger

summary - a brief statement or account of the main points of something.

main idea - the main idea is defined as the main point of a speech or piece of writing.

paragraph - a distinct section of a piece of writing, usually dealing with a single theme and indicated by a new line, indentation, or numbering.