Look at the details
Compare dimensions with the actual space before focusing on colour. A rug changes how a room reads differently from a small shelf object. Materials, intended use and care instructions help distinguish a decorative piece from something suitable for heavier daily use.
Keep a useful record
For a collection, save the exact item name, identifying details and condition notes alongside your own photographs. For daily use, keep the care or setup instructions somewhere easy to find. A clear description is more useful than a broad category name when you return to a piece later.