payload
nounUK /ˈpeɪləʊd/
US /ˈpeɪloʊd/
The payload is the important stuff a rocket or truck carries.
The rocket carried a payload of science equipment into space.
OTHER MEANINGS
2. The part of a computer message that carries the real information.
The app reads the payload of each network message.
3. The explosive part of a bomb or missile.
The missile's payload was safely removed by experts.
4. The useful part of a vehicle's load that earns money.
The airline earns more when its payload is full of passengers.