Casino Lingo

Need some clarification on some basic casino lingos that usually makes you scratch your head and wonder?
Rollover: The amount of bets needed on your deposit + bonus amount in order to withdraw your winnings
Turnover / Wagering Requirement / Playthrough: Refer to ‘Rollover’.
Wager: A formal term for ‘bet’.
Validity Period: The numbers of days a promotion expires, or the number of days you are required to clear your bonus
1st Deposit of the Day: Your first deposit made for that day