Main loop, Keeps the program running, Paragraph, A group of related code lines, Event loop, Checks for events repeatedly, Event, An action from the user, Loop, Repeats code, Frame, One cycle of program updates, Input, Information from the user, Output, What the program shows or does, Condition, A rule that must be true, Variable, Stores information, Function, A reusable set of code, Command, An instruction for the program

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