what is the payload of a rocket

In the context of rockets, a payload refers to the portion of the rocket or spacecraft that is responsible for achieving the missions primary objectives. Payloads can include scientific instruments, communication equipment, cargo, passengers, flight crew, munitions, and other specialized equipment needed for the mission. The payload of a rocket depends on the rockets mission, and it can be a satellite, space probe, or spacecraft carrying humans, animals, or cargo. The payload is usually fitted within a payload fairing to protect it against the dynamic pressure of the launch.