performing (Noun) — The performance of a part or role in a drama.
performing (Verb) — Carry out an action. ex. "the skater performed a triple pirouette"
performing (Verb) — Carry out a function. ex. "Who will perform the wedding?"
performing (Verb) — (performing arts) give a performance (of something). ex. "Horowitz is performing at Carnegie Hall tonight" ex. "We performed a popular Gilbert and Sullivan opera"
performing (Verb) — Get (something) done. ex. "I performed my job"