Metonymy in a sentence as a noun

People do understand that 'Wall St' is just metonymy, right?

It has become a metonymy for a community of practice.

I'm pretty confused about how shuttle buses became the preferred metonymy for corporate evil.

> You would say that someone that does that is 'acting like Steve Jobs' though, no?Right, metonymy is a rhetorical device that can be used for figures such as _why, but that doesn't mean that the figure is [just] a metonymic structure and not a person.

Metonymy definitions

noun

substituting the name of an attribute or feature for the name of the thing itself (as in `they counted heads')