What does the movie Kill Bill mean?

Kill Bill is quentin tarantino's fourth work. The film completely abandons the convention of the old revenge film, and depicts the whole process of the bride's revenge played by uma thurman in a nonlinear narrative way. The film tells that the black mamba snake is a member of the deadly viper assassination team, but the black mamba doesn't want to continue this killing day and wants to quit the assassination team. Black Mamba was renamed Irene. Unexpectedly, the leader of the assassination team, Bill, led the rest of the assassination team. After beating the black mamba, Bill shot the black mamba in the head, and the black mamba returned to life and became a vegetable. After killing a medical worker who raped her with a doorknob in the hospital, he embarked on a bloody road of revenge.