The player whom the bet is at the front of the betting box is considered to hold the control over the position, and the deal is required to consult the controlling player for playing decisions regarding the hand other players of the box are said to play behind.
It means there could be up to three players at each position at a table in jurisdictions which allow back betting. When you start the game, each round going up to three players have the option to place their bets in the betting box depending on their position in play. In between the one and eight, there are 52 card decks which are shuffled together.
When you are at the casino, the dealer encounters five to seven playing positions from behind a semicircular table. The rules of playing Blackjack apply either the online casino or the live casino equally.