Read the dictionary definition of shop. All definitions for this word.
1. a course of instruction in a trade (as carpentry or electricity)
1. I built a birdhouse in shop
2. a mercantile establishment for the retail sale of goods or services
1. he bought it at a shop on Cape Cod
3. small workplace where handcrafts or manufacturing are done
4. give away information about somebody
1. He told on his classmate who had cheated on the exam
5. do one's shopping
1. She goes shopping every Friday
6. shop around; not necessarily buying
1. I don't need help, I'm just browsing
7. do one's shopping at; do business with; be a customer or client of