It means to remove the top card from the deck and place it face down into a discard pile before dealing the community cards. The primary purpose of burning a card is to prevent any possibility of cheating or marking the cards. It ensures that no player knows the identity of the next card to be dealt, maintaining the integrity of the game. a burn card is typically used before dealing the flop, turn, and river. Before each of these rounds, one card is burned to ensure that the next card dealt is unknown to the players.