look, see or watch

When do we use look, see and watch?

Word Explanation Example
look to pay attention, to try to see what is there; seem Look at the board, please.
look up (e.g. dictionary) You can look up the words in the dictionary.
see visual impression come to the eyes Can you see the blue car over there?
understand I see what you mean.
watch look for a time; like to look He watches TV in the evenings.