To carry out, execute, or do a task or action. The team will perform the experiment tomorrow.
To present or enact a form of entertainment, such as a play, concert, or other artistic work. The band will perform at the festival this weekend.
To function or operate in a specified manner. The new software is expected to perform well under pressure.
To fulfil or comply with the terms of (an obligation, contract, or promise). The contractor failed to perform the obligations specified in the agreement.