also. Handicap 0:1 means the Away side is having 1 goal advantage before the start of the match. Handicap 0:2 means the Away side is having 2 goals advantage before the start of the match. Handicap 0:3 means the Away side is having 3 goals advantage before the start of the match etc.
Handicap 1 means a bet on a first team (the host team). It can be either positive or negative.