Enums are used to declare variables that represent, what?

Question

Enums

Answer 1

https://crunchify.com/why-and-for-what-should-i-use-enum-java-enum-examples/
read this
an example days of week

Answer 2

E.g. to encode a list of categories.

Answer 3

members of a fixed set

Answer 4

members of a fixed set

Answer 5

members of a fixed set