Question

The closing section (tail end) of a piece of music.
Capo
Coda
Segno
Fine

Answer 1

Generically, a capo is known as a device put on the neck of a stringed instrument to raise the pitch so that one can play in a different key without changing the same chords.
A coda is known as something that ends something and completes something else while a segno marks the ending of a piece of music.

Answer 2

thank you @Atsie

Answer 3

You're welcome! @eriyalovesu