A register, in linguistics, is how one talks or writes differently to different people. One may be more polite to strangers, for example.
|Very formal||← FORMAL||Normal||INFORMAL →||Very informal|
This chart shows the words or phrases that one would use depending on different registers:
|Very informal||"Ey!" or "Yo!" or "Wassup!"|
|Informal||"Hey!" or "Hi!"|
|Very formal||"Good morning/afternoon/evening!"|