Difference between acorn jelly and squid in Korean
도토리묵·오징어

도토리묵acorn jelly
도토리묵 is a Korean food made from acorn starch. It is soft, brown, and usually eaten as a side dish or in a salad. People often enjoy it with soy sauce and vegetables.

오징어squid
오징어 means squid, a sea animal with a soft body and long arms. In Korean, people often use this word when talking about seafood dishes, dried squid, or grilled squid. You can see it on menus, in markets, and at home when cooking.
The difference
Squid is seafood and has a chewy texture when cooked. It comes from an animal, but acorn jelly is made from acorns.