Difference between cup and portion in Korean
잔·부분

잔cup
잔 (cup) means a drinking cup or glass. It is used for things like water, coffee, milk, or tea. You will also often see it when talking about how many cups of a drink someone has.

부분portion
"Portion" means one part of something. With food, 부분 can mean a specific part of the food, like the cheese part of a pizza, or one section of a meal. Use it when you talk about which part you like, eat first, or share with someone.
The difference
cup (잔) and portion (부분) are nearby Korean vocabulary items learners often meet together. Use “cup” when 잔 (cup) means a drinking cup or glass. It is used for things like water, coffee, milk, or tea. You will also often see it when talking ab… Use “portion” when "Portion" means one part of something. With food, 부분 can mean a specific part of the food, like the cheese part of a pizza, or one sectio…