| Term | Definition |
| high or formal diction | language that creates an elevated tone; often contains polysyllabic words |
| neutral diction | uses standard language and vocabulary |
| informal or low diction | relaxed and conversational language |
| slang | recently coined words; tells "when" |
| colloquial expressions | regional words or sayings; tells "where" |
| jargon | words and expressions characteristic of a particular job |
| dialect | a nonstandard variation of a language with its own vocabulary and grammar |
| abstract diction | language that denotes ideas, emotions, and other intangible concepts |
| concrete diction | words that describe physical qualities; imagery |
| denotation | dictionary definition; lacks emotional association |
| connotation | consists of the associations and emotions attached to a word; i.e. "home" vs. "house" |