Is the word poem an abstract or concrete noun What about song or story?

The noun 'poem' is a concrete noun as a Word for written or spoken Words; a Word for a physical thing.

The noun 'song' is a concrete noun as a Word for written, spoken, or sung verse; a Word for the Words set to music; a Word for a physical thing.

The noun 'song' is an abstract noun as an informal (slang) Word for a small price; a Word for a concept.

The noun 'story' is a concrete noun as a Word for a written or spoken an account of imaginary or real people and events; a Word for the level (floor) of a building.

The noun 'story' is an abstract noun as a Word for a falsehood; a Word for a concept.