To use caution is to be careful. to get a cation is to be warned against doing what you are doing.
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Precaution
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It means, ''WATCH OUT!'', or ''CAUTION''
Yes the word caution is a verb meaning to warn. It is also a noun referring to the warning itself.
The adverb form is "cautiously" (carefully, tentatively). The related noun is circumspection, meaning caution or prudence.
No, it is an adjective meaning 'suggesting caution' in doing certain things.
The caution flag is to warn drivers of a problem on the open lanes of the course. A car may be disabled or stopped. Drivers will slow down upon seeing that caution flag to prevent further harm to a fellow driver or themselves.
It means the road may be slippery, proceed with caution.
potato chips or some kind of guy with a box saying caution don't open