A salute is a gesture or other action used to display respect. Salutes are primarily associated . The sentry brings his flattened left hand across his body and touches the rifle near its muzzle. As naval customs evolved, the gun salute came to be reserved for heads of state, with fewer rounds used to salute lower- ranking.
A fist bump is a gesture similar in meaning to a handshake or high five. A fist bump can also be dap originated during the Vietnam War as a modified form of the Black Power salute, which was prohibited by the US military. . Head motions .
The raised fist, or the clenched fist, is a symbol of solidarity and support. It is also used as a salute to express unity, strength, defiance, or resistance.