Where does the RenderTarget define?

Where does the RenderTarget define?

Can you be a bit more specific?

When you make a render target, it ends up in the content browser.

@ClockworkOcean I think it’s a lowwer rendering question relatived to RHI, maybe GPU. You can find a set of papers use it in webside, you can search “RenderTarget” in your project to find more, also. so i wanna know more about it or its principle to help me unserstand it.

And, the source code search result: