Characters speak to one another, and the reader overhears. Dialogue is the written representation of conversation in a story, play, or film script. Good dialogue advances the plot, reveals character, and creates the illusion of natural speech without reproducing every hesitation and filler word of real talk.

Playwrights and novelists develop an ear for the rhythms of different speakers. A child’s sentences differ from an adult’s; a formal character’s diction differs from a casual one’s. Attribution tags (“she said,” “he muttered”) and action beats help the reader keep track of who is speaking and what else is happening. Excessive explanation or on-the-nose statements can make dialogue feel artificial.

In drama, dialogue carries almost the entire burden of storytelling. In prose fiction it alternates with narration and description. Either way, the spoken exchanges are where relationships are tested, secrets emerge, and conflicts escalate. When dialogue works, readers feel they are present in the room with the characters, listening rather than being told.