The phrase "also have a purpose" is correct and usable in written English.
It can be used when discussing additional functions or meanings of something beyond its primary use.
Example: "While these tools are primarily for construction, they also have a purpose in artistic design."
Alternatives: "serve a function as well" or "have an additional role".
A great point that was made by the President and CEO of Campbell Soup was that people should have a purpose as a person, a personal mission, but also having a purpose as a company which gives meaning to what you do and who you are in the world.
Under the blockade, Israel limits the flow of concrete, cement and other materials into Gaza, arguing that they are "dual use" items that could also have a military purpose if taken by Hamas to rebuild the tunnels used to launch rocket attacks on its territory.
Shouldn't people who share an office also have a shared purpose?
All of the aesthetic work does also have a practical purpose: "Players would be dazzled if they had to play on white limestone," the guide says.
Except for today – when your answers will not only amuse, delight and, I imagine, disgust me somewhat, but also have a practical purpose.
Military experts said the withdrawal could also have a tactical purpose since Syrian positions in Lebanon are vulnerable to Israeli attack.
But such pictures also have a deeper purpose, at least if we are to pay attention to the artist's writings on the subject: they would, he hoped, help his audience gain access to the spirituality of nature.
"Fewer lawsuits are being brought, but they are better," says Stuart Grant, managing partner of Grant & Eisenhofer, a law firm that specialises in securities cases.Though CalPERS and its like are keen to punish corporate miscreants, they also have a higher purpose: to improve behaviour.
"Often, social dinners also have a business purpose, making work-life balance more complicated".
