What does articulation refer to in theater practice?

Articulation in theater practice specifically refers to the clear and precise pronunciation of words. This is crucial for actors as it ensures that the audience can understand the dialogue being performed. Effective articulation involves using the lips, tongue, and other vocal apparatus to form sounds accurately, which contributes to the clarity of speech in performances. It enhances communication and helps convey the intended emotions and nuances of the characters being portrayed, making it an essential skill for any actor on stage.

The other options relate to different aspects of theater; for instance, the design of a stage set pertains to the visual environment of a performance, emotional expression speaks to the actors' ability to convey feelings, and choreography involves the movement patterns of performers. While all these elements are crucial in theater, articulation is specifically focused on how words are delivered, making it the correct choice in this context.