Performance
Part of speech: noun
Definition: The act of performing; carrying into execution or action; execution; achievement; accomplishment; representation by action; as, the performance of an undertaking of a duty. That which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; especially, an action of an elaborate or public character. A live show or concert. In Computer science: The amount of useful work accomplished by a computer system compared to the time and resources used. Better Performance means more work accomplished in shorter time and/or using less resources
Example sentence: If my future were determined just by my performance on a standardized test, I wouldn't be here. I guarantee you that.
Functioning
Part of speech: adjective
Definition: working
Part of speech: noun
Definition: action of the verb to functionThe manner in something functions; the workings
Part of speech: verb
Definition: To have a function.