The chorus is the repeated line or phrase that appears at the end of each verse in a song. It is typically the most memorable part of the song and is often used to convey the main message or theme.

The bridge is the section of a song that typically follows the chorus and provides a contrasting melody and lyrics. It is often used to build tension or provide a new perspective on the song's subject matter.

The verse is the section of a song that introduces the main theme or idea. It typically consists of several lines of lyrics that tell a story or convey a message.

A hook is a short, catchy phrase or line that is repeated throughout a song. It is often used to grab the listener's attention and make the song more memorable.

An intro is the section of a song that typically appears before the first verse and sets the mood or atmosphere. It can be instrumental or vocal, and is often used to build anticipation for the rest of the song.

An outro is the section of a song that typically appears after the last chorus and brings the song to a close. It can be instrumental or vocal, and is often used to provide a sense of closure or resolution.

The structure of a song refers to the overall arrangement of the different sections of the song, such as the verse, chorus, bridge, and intro. It determines the flow and progression of the song.

A riff is a musical phrase or section that is repeated within a song. It can be instrumental or vocal, and is often used to create a sense of groove or momentum.

Modulation is the repetition of a musical phrase or section at a different pitch or in a different key. It is often used to create a sense of contrast or excitement within a song.

Call and response is the repetition of a musical phrase or section in a different part of the song, typically between a lead singer and a chorus or audience.

Syncopation is the repetition of a musical phrase or section in a different rhythm or tempo. It is often used to create a sense of syncopation or off-beat feel.

Orchestration is the repetition of a musical phrase or section in a different instrumentation or arrangement. It is often used to create a sense of variety or contrast within a song.

Translation is the repetition of a musical phrase or section in a different language or dialect. It is often used to make a song more accessible to a wider audience.

Genre-bending is the repetition of a musical phrase or section in a different genre or style. It is often used to create a sense of surprise or innovation within a song.

Intertextuality is the repetition of a musical phrase or section in a different medium or context. It is often used to create a sense of connection or reference to other works of art or culture.