Meaning of ON in English

ON

( prep. )

Denoting performance or action by contact with the surface, upper part, or outside of anything; hence, by means of; with; as, to play on a violin or piano. Hence, figuratively, to work on one's feelings; to make an impression on the mind.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.