Sliding patio doors and swinging patio doors differ primarily in their operating mechanisms and spatial requirements. Sliding doors move horizontally along a track and are ideal for spaces where saving room is a priority since they do not require additional space to swing open or closed. They are great for tight spaces and provide a sleek, modern look, often allowing for larger panes of glass that offer expansive views. On the other hand, swinging patio doors, which can be designed as French doors or single panel doors, swing inward or outward to open, similar to traditional doors. They typically provide a more classic or traditional aesthetic and can be more effective at sealing off the elements due to the way they close, but they require clear space in their swing path, which can limit furniture placement and overall layout in your outdoor and indoor living areas.