match the definition to the word.

1. nonfiction that explains or describes a given subject
2. the level of english used in business letters, essays, and most other expository writing
3. the controlling idea of a paragraph; the sentence containing the main idea
4. the controlling or central idea of a paper
5. the vast majority of writing ever done
6. a word, phrase, or paragraph joining one idea to another

exposition transition standard thesis topic prose