What is the meaning of bag in 18th treasure?

In the context of "Treasure Island," the term "bag" refers to a container, often used to carry valuables or treasure. Specifically, in the 18th-century pirate setting of the novel, a bag would typically hold gold, coins, or other loot acquired through piracy or adventure. The imagery of bags filled with treasure evokes themes of greed, adventure, and the pursuit of wealth that are central to the story.