Petal is a part of a flower
Primarily as a noun: It is the representation of a tangible thing. However, it can also be used as an adjective or adverb, as in the phrases "cornflower blue" (as adverb, modifying the adjective "blue") or "cornflower petal" (modifying the noun "petal").
A petal is a part of a flower, a single flower has many/several petals - the petals are the colourful part of the flower we look at.
Petal
petal
metal petal
Petal and Nectary!
petal?
They ate the petal
Because it's a part of a plant
Attract polinisators (visible signal)/
petal metal