See: when an image comes to our eyes; without intent
I went to the grocery shop and saw one of my classmates there.
Look: to see something with intent and attention; often used with "at"
Jenny looked at the wine menu before calling the waiter to order a drink.
Watch: to look intensely at something (often something that is moving)
Kyle watched the plane take off.
More examples:
See:
I see Tim in the store.
I see a house.
I see a dog on the street.
I see a bottle of wine on the table.
Look (at):
I am looking at a painting. I really like the colors of this painting.
I am looking at a photo of a rabbit. The rabbit has long ears.
I am looking at a building. It has colorful windows.
I am looking at a monument. It was built a long time ago.
Watch:
Do you watch sports? / Yes, I love to watch basketball.
What are you doing? / I am watching a video (now).
I like to watch TV (television).
I am going to watch a (dance) performance tonight.
I am going to watch a concert tonight.
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