You are then presented with the Lockup Type Options of: Cliff, Constant, and Vested. The differences between these types are below.
Cliff: Tokens are locked for a fixed duration and are released in full at the end of it. Vote weight declines linearly until release. Example: You lock 10.000 tokens for two years. They are then unavailable for the next two years. After this time, you can withdraw them again.