Picture framing involves enhancing and preserving artwork or photographs by presenting them in custom frames. It entails selecting materials such as frames, mats, glass, and backboards, and employing techniques like dry mounting, wet mounting, and floating. Hardware like wall hooks and D-rings ensures secure display. Lighting considerations involve utilizing natural light and picture lights to illuminate framed pieces. Professionals in the industry, such as picture framers and interior designers, provide expertise in materials, techniques, and artistic presentation.