What is the meaning of the word "look"?

Definitions:

accord in appearance with verb
- You don't look your age!
have a certain outward or facial expression verb
- How do they look?
physical appearance noun
- I don't like the looks of this place
search or seek verb
- We looked all day and finally found the child in the forest
the act of directing the eyes toward something and perceiving it visually noun
- They went out to have a look at the eclipse with their eye protection.
to convey by one's expression verb
- Their look of devotion was inspiring.