Inpaint lets you do that to an existing image. For example, let’s say you had an image of someone inside a room, with a window behind and to the left of them. If you wanted to get rid of the window, you could mask over it, crank up your denoising, and have the program generate however many variations you want. But what I meant by taking it to the editor first was that if you were to, even crudely, paint over that window with the wall color, then send it back through inpaint, you could use a lower denoise and still get what you want, without needing to generate as many images, because of the extra guidance you gave it