Doc (noun)

1. A doctor or physician.
2. A document or file in a computer system.

Origin:

Shortened from doctor.

Examples:

1. I have an appointment with the doc this afternoon.
2. He sent me a doc with the instructions on how to fix the issue.
3. I saved the doc in my desktop.
4. The doc said that I have a cold.
5. The doc was signed by both parties.