Final answer:
Sonata form refers to the structure of an entire musical work, commonly used in classical music compositions. It consists of three main sections: exposition, development, and recapitulation.
Step-by-step explanation:
Sonata form refers to the structure of an entire musical work. It is a form commonly used in classical music compositions. Sonata form typically consists of three main sections: exposition, development, and recapitulation. In the exposition, the main themes are introduced, usually in contrasting keys. The development section explores and develops these themes further, often incorporating modulation and variation. Finally, the recapitulation brings back the main themes, now in the original key, providing a sense of resolution.