Meaning

1. show me!; let me see!; let's have a look!
2. a general lead-in, often to get someone's attention before asking a question or before giving an order; all right then; so; now...
3. used when adding clarification; I mean; well...
4. used as a filled pause to indicate thinking or that one is looking for something; let's see...; let me see...; hmm
5. let's see if; let me see if
6. indicates a challenge
7. indicates curiosity; "I wonder"
8. indicates concern
9. of course, obviously
10. used to encourage