A label is a piece of paper or plastic that is attached to an object in order to give information about it.

If something is labelled, a label is attached to it giving information about it.

If you say that someone or something is labelled as a particular thing, you mean that people generally describe them that way and you think that this is unfair.

If you say that someone gets a particular label, you mean that people show disapproval of them by describing them with a critical word or phrase.

You can refer to a company that produces and sells CDs as a particular label .