These best are placed outside the 38 numbers of the wheel layout and refer the specific groups of numbers or colors. In American Roulette (with out the surrender rule) all bets lose if the ball lands on 0 or 00.
Black or Red Bet: A bet that the winning number will be a color which you bet on. This type of bet pays even money. This means you get 1 to 1.
The Even or Odd Bet: Is a bet that the winning number will be either even or odd. This bet also pays even money.
The High or Low Bet: This bets that the number will eithr be high (19-36) or low (1-18). This bet pays even money.
Colum Bets: There are 3 choices to bet on as there are 3 colums. This is a 12 numbers in each colum. You place your chip on the "2 to 1" spot at the end of the colum you bet on. This bet pays out 2 to 1.
Dozens Bets: There are 3 choices here too. You are betting on the either the 1st, 2nd, or 3rd dozen numbers.
1-12, 13-24 or 25-36. You place your bet on "1st 12", "2nd 12" or "3rd 12". This bet pays 2 to 1.