If the spread is set at +7, the underdog must either win the game outright or lose by fewer than seven points in order to cover. For the favorite to cover, they must win by more than seven points.
They are American money line odds; for example, +200 signifies the amount a bettor could win if wageringR$100. If the bet works out, the player would receive a total payout ofR$300 ($200 net profit +R$100 initial stake).