In this case, framing does not refer to the photo frame, but to the framing that occurs within the photo. Foreground objects such as arches and doorways provide a natural frame for the subject or frame interior. Framing usually improves a picture.
Foreground frames can
The framing object does not need to be in focus or even illuminated. If it were, it might distract the viewer from the intended subject.
Examples of objects that act as natural frames include trees and their branches, arches, windows, doors, portholes, canyon walls, and saddles between hilltops.