1. Contract law.
In contract law, performance of a contract means that the parties meet their contractual obligations as agreed.
Performance also refers to measures of an employee's or contractor's fulfilment of their duties.
In this context measures of performance may be qualitative or quantitative.
In relation to a company or business, performance can refer to the company's fulfilment of investors' expectations.
For example, as measured by performance ratios or gains in shareholder value.