Legal Definition
A formal contractual agreement that outlines the specific duties, rights, and obligations of one party (the service provider) to perform a specified task or service for another party (the client), often detailing the scope, schedule, and compensation for the services rendered.
Plain-English Translation
It's a contract where one person agrees to do a job or provide a service for another person. It defines exactly what they need to do and how much money they get for it.