The phrase "about what he represents" is correct and usable in written English.
It can be used when discussing the significance or meaning of a person’s role, identity, or values.
Example: "The debate centered around what he represents in the context of modern politics."
Alternatives: "regarding his representation" or "concerning what he stands for".
They are not sure about what he represents.
And Jock said, "He's here in London thinking about what he represents to the kids of Rwanda — as that figure, that image, that they can see and say, Yeah, if he can do that I do it, too, whatever it is.
The neurotic intensity of Carrie's attachment to Quinn, which is more about what he represents to her as opposed to who he truly is, also characterizes her relationship with Brody.
She met with Nelson Mandela, smiling, after years of what might generously be called ambivalence on her part about what he represented for South Africa.
It's about Obama and what he represents on the world's stage.
My biggest gripe about Tuffers, though, is what he represents: the feeling that he was brought in as a "name"; someone people know from the telly.
It's a feel good statement about the country and what he represents.
It is partly about him as a person and what he represents, but more about what he would take from Egyptian society if he became president: hope.
Today, nobody is under any illusions about who Trump is or what he represents.
People continue to publish books about Long not because of what he represents (populism gone awry or fascism barely averted) or how he influenced American politics ("More bunkum has been written about Huey Long and his place in history than any man in this region I know of," Sam Jones, a three-term Louisiana governor, once observed) but because his story remains irresistible.
Notwithstanding what you believe about who Jesus was or what he represents, at a minimum he was a wise prophet that offered the world healing wisdom: love thy neighbor, judge not, blessed are the peacemakers.
