Character & cast — Creative writing glossary

Antagonist
Who or what most actively blocks the protagonist's goal: person, system, or self.
Beginner+1 alias
Antihero
Protagonist with morally ambiguous or selfish traits readers still follow.
Intermediate
Cast not linked
Health signal when characters lack relationship edges in planning metadata.
Beginner
Character arc
How a character changes (or resists change) across the story because of pressure and choice.
Beginner+1 alias
Character chemistry
Believable spark between characters: friction, rhythm, and shared stakes.
Intermediate
Character function
What job a character performs (mentor, threshold guardian, emotional anchor).

Intermediate+1 alias

Character motivation

Why a character acts now: want plus reason, visible in choices under pressure.

Beginner+1 alias

Character reveal

Moment when true nature, allegiance, or backstory changes how we read prior scenes.

Intermediate

Character voice

Distinct word choice, rhythm, and attitude that makes a POV or speaker recognizable on the page.

Beginner+1 alias

Ensemble balance

How screen time and agency distribute across a cast so secondary characters feel purposeful.

Beginner+1 alias

Flat character

A character who stays largely the same, useful for contrast or function.

Intermediate+1 alias

Foil

A character designed to highlight traits of another by contrast.

Intermediate+1 alias

Goal, motivation, conflict

Goal (target), motivation (why), conflict (what blocks): the scene planning triad.

Beginner+1 alias

Hidden identity

Concealed name, role, or past that reframes relationships at reveal.

Intermediate

Lie (misbelief)

A wrong belief the character clings to, often the engine of bad decisions.

Intermediate+2 alias

Love interest

Romantic focal character whose bond pressures want, need, or theme.

Beginner

Mentor

Guide who equips the hero, then often exits or fails to force independence.

Beginner

Need

What a character must learn or accept for wholeness, often at odds with the want.

Beginner+1 alias

Protagonist

The primary viewpoint of reader investment, not always heroic.

Beginner+1 alias

Relationship milestone

A marked shift in how two characters stand, anchored to story events.

Intermediate+1 alias

Round character

A character with contradictions, capacity to surprise, and inner life.

Intermediate+1 alias

Sidekick

Ally who contrasts or supports the lead. Can carry humor, heart, or competence.

Beginner

Status shift

Change in social standing or power between characters across scenes.

Intermediate

Threshold guardian

Figure who tests readiness before the hero crosses into a new world or stage.

Intermediate

Antagonist

Antihero

Cast not linked

Character arc

Character chemistry

Character function

Character motivation

Character reveal

Character voice

Ensemble balance

Flat character

Foil

Goal, motivation, conflict

Hidden identity

Lie (misbelief)

Love interest

Mentor

Need

Protagonist

Relationship milestone

Round character

Sidekick

Status shift

Threshold guardian