The phrase "intended purpose" refers to the main or desired reason for creating or using something. It is the specific goal or objective that was initially planned or designed to be achieved. Full definition
That said, it is also likely that if someone does work for a company without a contract, that company gains an implied license to use the work for the originally intended purposes. (law.stackexchange.com)
My success formula is to pick one technical indicator and use it for its specifically intended purpose. (dailytradealert.com)
All knocking of the mechanics aside, they serve their clearly intended purpose. (darkstation.com)