| A | B |
| Accuracy | Correctness or precision |
| Affix | One or more letters occurring as a bound form attached to the beginning or end of a word or base and serving to produce a derivative word or an inflectional form (e.g., a prefix or suffix). |
| Alliteration | The repetition of initial consonant sounds in neighboring words. |
| Allusion | An implied or indirect reference in literature to a familiar person, place or event. |
| Analysis | The process or result of identifying the parts of a whole and their relationships to one another. |
| Antonym | A word that is the opposite of another word (e.g. hot-cold, night-day). |
| Appositive | Also called apposition; a grammatical construction in which two usually adjacent nouns having the same referent stand next to one another; often separated by commas (e.g., “ My father, Ned, worked for NASA.”). |
| Assertion | A declaration, statement, allegation or claim. |
| Author's Purpose | The author’s intent either to inform or teach someone about something, to entertain people, or to persuade or convince their audience to do or not do something. |
| Author's Thesis | The topic and a specific feeling or idea associated with it. The thesis can be directly stated or implied in the examples and illustrations used by the author. |
| Autobiography | The story of a person's life written by himself or herself. |