λοιπόν/loipon

This word describes something. It is an adjective.

This word can describe something that is remaining.
This word can mean henceforth or for the future. This word describes something that is from this time on.
This word can mean as for the rest. This word is used to talk about something that is in some way different than something else that was mentioned previously.
This word can mean furthermore. This word is used to let the audience know that the speaker or writer is about to talk about something else.
This word can mean finally. This word is used to let the audience know that the speaker or writer is about to talk about the last thing he planned to discuss.