Music: Music is used in radio dramas to set the mood and atmosphere, to create transitions, and to add dramatic effect. Music can also be used to represent characters or locations, or to suggest emotional states.
Dialogue: Dialogue is the main form of communication in radio dramas, and is used to convey the story and characters. Dialogue can be either naturalistic or stylized, and can range from realistic conversations to more poetic or metaphorical language.
Narration: Narration is used in radio dramas to provide exposition, background information, and to transition between scenes. Narration can be delivered by a single narrator, or by multiple narrators who may take on different roles within the story.
Characterization: Characters in radio dramas are developed through their dialogue, actions, and relationships with other characters. Characterization can be achieved through voice acting, vocal mannerisms, and the use of sound effects and music to reinforce character traits.
Plot: Radio dramas typically have a clear plot structure, with a beginning, middle, and end. The plot may be focused on a single character or group of characters, and can range from realistic stories to more fantastical or abstract narratives.
Atmosphere: The atmosphere of a radio drama is created through the use of sound effects, music, narration, and characterization. Atmosphere can be used to create a sense of place, time, and mood, and to convey the emotional context of the story.