What are the techniques in writing dialogs in drama?

In writing dialogue for drama, techniques include using subtext to convey underlying emotions and conflicts without stating them outright, creating distinct character voices that reflect their backgrounds and personalities, and employing pacing and rhythm to enhance tension and engagement. Additionally, incorporating interruptions and overlaps can simulate real-life conversation, while carefully selecting Words can evoke specific tones and moods. Lastly, dialogue should be purposeful, advancing the plot or deepening character relationships.