Difference between to lift and to climb on in Korean
올리다·올라타다

올리다to lift
올리다 means to move something up or put it in a higher place. You can use it when you lift a box, raise your hand, or put a bag on a chair. In daily life, it often describes making something go upward.

올라타다to climb on
올라타다 means to climb onto something or get on it. You use it when someone or an animal moves up and gets on a thing like a chair, a bike, or a bus. It often shows both the action of going up and getting on.
The difference
올라타다 means to get onto something, like a bike, bus, or a rock. It is about climbing onto a thing, not just raising it upward.