Literally, Shakespeare used "pit" to refer to a hole in the ground, such as a well, grave, or mine. For example, in Hamlet, the protagonist is contemplating suicide and refers to the grave as a "pit" that he must jump into.
Figuratively, Shakespeare used "pit" to refer to a place of danger or misfortune, such as a trap or a battlefield. For example, in Macbeth, the witches refer to the battlefield as a "pit" of blood and death.
Shakespeare also used "pit" to refer to the human body, particularly the stomach or intestines. For example, in The Merchant of Venice, Shylock refers to his stomach as a "pit" that is filled with hunger.
In other instances, Shakespeare used "pit" to refer to a place of confinement, such as a dungeon or prison. For example, in The Tempest, Prospero refers to the island as a "pit" from which he cannot escape.
Overall, Shakespeare used the word "pit" to convey a variety of meanings, both literal and figurative, and it is important to consider the context in which the word is used to understand its intended meaning.