lyrics
Refers to the words of a song. Synonymous with 歌詞, but リリック is more common in pop culture and music contexts.
See also: 歌詞
The lyrics of this song are very moving.
lyric poetry
Used in literary contexts to refer to lyric poetry (叙情詩). Less common than the 'song lyrics' sense.
See also: 抒情詩
He is a poet who revived the tradition of lyric poetry in modern times.
lyrical
Describes something as having the qualities of a lyric poem: emotional, personal, and expressive. Often used in artistic or musical descriptions.
Her singing voice is very lyrical.