If you saw this care symbol on a clothing tag, would you know what it means?
How about this one?
Did you know there were 43 unique care symbols, each indicating different care instructions? We need a veritable care symbol to English dictionary to understand them, and thanks to textileaffairs.com, we have one. You can check it out here or here in slick PDF.
(Top symbol means tumble dry, normal, low heat. The bottom symbol means non-chlorine bleach when needed.)