What about render()?

[Manaus]

I have never understood what the purpose of render() is.
Sometimes I see it applied to the $page object, sometimes to an image, sometimes to an input field object.
I searched the cheatsheet, but couldn't find much. I couldn't find any references or explanations in the forum either. Where could I learn what this method is and how it works?

Thanks

[Robin S]

12 minutes ago, Manaus said:

Where could I learn what this method is and how it works?

The API documentation is the place to start.

https://processwire.com/search/?q=render(&t=API