The phrase "achieves a purpose" is correct and usable in written English.
You can use it when discussing the effectiveness or success of an action or strategy in fulfilling a specific goal or objective.
Example: "The new marketing campaign achieves a purpose by increasing brand awareness among our target audience."
Alternatives: "fulfills a goal" or "serves a function."
It's about building communities, fostering new ways of collaborating, and guiding these efforts to achieve a purpose.
At first, humans were casual tool users, employing convenient sticks or stones to achieve a purpose and then discarding them.
One provision of the rules says that health care providers must not use or disclose any personal health information beyond the "minimum necessary" to achieve a purpose.
It is often told of him as a man that, while he was a genial and comfortable colleague, he would stick at few things to achieve a purpose.
We also designed the Unusual Use of Objects Test, which demands unusual applications of objects to achieve a purpose for which the usually applied object is not provided (e.g., screwing a screw with a knife).
Technology is the systematic application of knowledge to achieve a purpose valued by a group or a society.
Design focuses on imagination and creation of what might be to achieve a purpose, moving toward "what should be" (Burton and Obel 2011: 467).
If one is restrained, incapacitated by violent means, or denied essential means to achieve a purpose, then it may be fairly obvious why one has an excuse for not doing otherwise than one did (See Anderson 2010).
The Hallidayan view of language as a social semiotic may explain how social actors, such as politicians, may dexterously employ linguistic resources as a means to achieve a purpose that lies outside discourse.
As interview data suggested, users are more likely to use and keep using the website if they see and feel behind it is a vibrant community achieving a purpose.
