Antonin Scalia

Burning the flag is a form of expression. Speech doesn't just mean written words or oral words. It could be semaphore. And burning a flag is a symbol that expresses an idea - I hate the government, the government is unjust, whatever.

American Judge

Semaphore is a visual method for conveying information at a distance using signals.

Visual Communication

Semaphore involves using body parts or objects to represent letters, requiring good visibility.

Manual Signaling

Semaphore has historical roots in maritime communication, vital for safety and coordination.

Nautical Origins

Semaphores in computing manage the order in which processes access shared resources.

Concurrency Control

Semaphores help coordinate multiple processes to work together smoothly in a system.

Synchronization Tool

Semaphores are primarily used in a programming context; not a term for general conversation.

Technical Term

 At the DMV, my boy's in line to officially enter his prime suspect young, brown and behind the wheel, a moving semaphore, signaling the threat of communities from below.