Belles lettres and Liberal arts

Belles lettres noun - Creative writing valued for esthetic content.

Liberal arts and belles lettres are semantically related. In some cases you can use "Liberal arts" instead a noun phrase "Belles lettres".

Liberal arts noun - Studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills).

Belles lettres and liberal arts are semantically related. Sometimes you can replace phrase "Belles lettres" with "Liberal arts", this phrases are similar.