a term originating from Jamaica that shows understanding....that one has "seen" what you just said.

Or is just as often used as a question (instead of "know what I'm saying?" or "know what I mean?")

to mean to understand something

When you're on Facebook and someone chats you, but you don't want to talk to them. Except, you can't ignore them anymore because Facebook decided to tell the other person when you saw the message!

to acknowledge something.

it is a response you give when someone tells you something. it means i see or yeh i understand.

seen = "oh i see"

One of the most respected graffiti artist to this day. Was well known in the 80's for his unique styles and for going all city.