| Term | Definition |
| round characters | complex character with fully developed and dynamic traits |
| dynamic characters | permanent change in outlook or character during story |
| flat characters | personality can be defined by one or two traits, doesn't change in course of story |
| static characters | remains unchanged throughout story |
| protagonist | main character or hero |
| antagonist | person or thing working against protagonist |
| direct characterization | writer makes direct statements about a character's personality and tells what character is like |
| indirect characterization | writer reveals information about character and personality through character's thoughts/words/actions, and with how other characters respond to character, what they think/say about character |
| stock character | quickly recognized and accepted by reader, requiring no development by writer |
| caricature | picture or imitation of person's features/mannerisms exaggerated comically |
| foil | a person or thing that contrasts with and emphasizes/enhances qualities of another |