Candy refers to a sweet food made with sugar or chocolate, often eaten as a snack or dessert.
In American English, "candy" is the general term for sweet treats, while in British English they say "sweets".
The word "candy" can also mean:
1. To coat food with sugar syrup (verb)
2. Slang for cocaine (informal usage)
3. A term of endearment ("Hey, my candy")
4. In video games, special items like "candy crush"