Here's why:
* Artwork is a broad term that encompasses any creative piece made by an artist, regardless of the medium.
* Both paintings and poems are considered forms of artistic expression.
Here are some other words that could fit, depending on the specific context:
* Creation: This emphasizes the act of making the work.
* Piece: This is a simple and general term for any completed work.
* Masterpiece: This suggests a work of exceptional quality.
* Composition: This emphasizes the arrangement of elements in the work.
Ultimately, the best word to use depends on the specific context and the desired meaning.