With handicap bets, one team starts the game with a "fictitious lead". Handicap 0:1.5 means that the away team leads by 1.5 points before the game starts, for example. This handicap is then added to the final result (after OT if necessary) - the end result including the handicap is what counts.
Over/Under points in Match
Are more or less points scored in the match (inc. overtime) than stated in brackets? + more points, - less points.