Keystroke
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It’s slang for a measure of music played on the piano or other keyed instruments, such as a keyboard.
Merriam-Webster Online Dictionary
keystroke (noun) the act or an instance of depressing a key on a keyboard
transitive verb
- keyboard
keystroke (Wikipedia)
Merriam-Webster Online Dictionary
keystroke (noun) the act or an instance of depressing a key on a keyboard
transitive verb
- keyboard