Stop sign.
Meaning: This means a visible object that communicates the message to cease moving or acting. It's like saying, A noticeable marker that tells you to halt.
Choice of Words: Stop is a verb that means to cease moving or acting. Sign is a noun that refers to a visible object that communicates a message. When you put them together, "Stop sign" refers to a visible object that communicates the message to cease moving or acting.
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