The more details you add to your items, the smarter your closet becomes. Details make it easier for you and friends to search for specific items.
Have an idea of what kind of shirt you want for an outfit, but don'tr have one in your own closet? The more specific you and your friends tag items, the quicker you'll be able to find what you're looking for.
Bad tagging: black, shirt
Good tagging: blac, tee, shirt
Best tagging: black, scoop, neck, tee, shirt, long, sleeved