umrahmen means “frame” | MotiTan German Dictionary

More examples

Sie umrahmt die Einladungskarte mit einem goldenen Rand.

She frames the invitation card with a gold border.

A subject is ringed by a visible edge that gives it separation, shape, or decorative emphasis.

einrahmen: To place a picture or photograph in a frame as decoration.
umranden: To mark the outer edge with a surrounding line or strip.

etwas mit einem sichtbaren Rahmen oder Rand versehen, sodass es begrenzt oder hervorgehoben wird

The element um- contributes the sense of surrounding, while Rahmen supplies the concrete idea of a frame or border.

For putting a picture into a physical frame, einrahmen is often more precise, while umrahmen broadly emphasizes surrounding something with a frame or edge.