Meaning of “Enban(円盤)”

“Enban(円盤)” means “something that is round, thin, and flat in shape.” basically.
As a slang, it means DVD or blue-ray disc or CD.

These days, we don’t have to buy discs like that, we can download. However, some otaku people buy discs to support their oshi.

Example Conversation

A: Are you still buying a DVD?
B: It’s a Blue-ray. There’s a risk that if the disc sales are poor, they won’t produce a second season!

A: わざわざDVD買ってるの？
B: ブルーレイね。円盤の売り上げ悪いと二期やばいから！