What's the word for a poem that's about writing poetry?

Question

There's a literary term for this...not self-reflexive, not self-referential...argh! What is it? There's something specific to call these types of poems.

Answer 1

Allusion is poetry written about other poetry

Parody is poetry written with specific intent of imitating a specific style of work by an author for comedic/satiric reasons

Don't know if this helps.