提てい示じ部ぶ

noun

exposition

In music, the initial section of a movement or piece where the main themes are presented, especially in sonata form.

• ソナタ形けい式しきの提てい示じ部ぶでは、二ふたつの主しゅ題だいが提てい示じされる。

  In the exposition of sonata form, two themes are presented.