What is a side pot in poker and how does it impact the game dynamics?

In Poker, a side pot is created when one or more players go all-in and have different amounts of chips. The side pot is separate from the main pot and is contested by the remaining players with more chips. This can impact the game dynamics by allowing players with fewer chips to still compete for a portion of the pot, even if they cannot win the entire pot. It adds complexity to the game as players need to consider multiple pots and potential winnings.