δέ/de

This word is used to organize what someone wrote. It relates two ideas or groups of words to one another in some way. It is a conjunction.

This word can mean but. This word is used to say something that is different than what was just said.
This word can mean and.
This word can mean also.
This word can mean now. This word is used to indicate that the speaker or writer is starting a new topic or is starting to talk about a new event.
This word can mean on the other hand. This word is used to introduce a statement that opposes something said previously.