Questions about example sentences with, and the definition and usage of "Ep"

A:

„EP“ in Music stands for „extended play“

„EP“ could also be short for „episode“

It could also have different meanings in different fields.
I’d need more context to really know which one you’re asking about 🙆‍♀️

A: When they say EP, I can only assume they are talking about an extended play record album. Before CD's (or compact discs), old vinyl records came in 3 sizes ...LP (long play), EP (extended play), and 45's. EP's haven't been around for decades.

A: EP is about the same as single.