"meets its purpose" is correct and usable in written English.
You can use it whenever you want to indicate that a certain thing or action has achieved the desired result. For example: "The committee's solution to the problem meets its purpose of reducing costs and improving efficiency."
Evaluation of a public health surveillance system focuses on how well the system operates to meet its purpose and objectives, and it may improve the information provided to ensure that cholera is being monitored efficiently and effectively.
Potential surveillance scope gaps: These gaps occur where a surveillance system is established, but its type, range of events covered, and scope of information it is designed to collect does not meet its purpose.
Graham had also asked about the detention center at Guantánamo Bay, which Sessions said he believed had met its purpose "marvellously well".
Their new research adds to the overwhelming evidence from Ofsted that, in practice, the premium is failing to meet its purpose of raising the educational attainment of disadvantaged pupils.
An Ofqual spokesman said the curriculum review was a timely opportunity to ask if the grading system met its purpose.
Conceived as a means of structuring and communicating the scientific goals of the institute, it is, by design, a concise yet descriptive tool that will continue to evolve and change to meet its purpose.
It would be subject to regulation by the Charities Commission to ensure it was meeting its purposes, and its decisions and function could be challenged in the courts.
It is essential that action is not taken which jeopardises the ability of the BBC to meet its purposes".
The Mississippi River and Tributaries Project — the Corps' total repertory of defenses from Cairo, Illinois, southward — seemed to have met its design purpose: to confine and conduct the run of the river, to see it safely into the Gulf.
