Why it is called deep learning?

Related questions

1. What defines deep learning?
2. Which language is used for deep learning?
3. What is the difference between deep learning and machine learning?
4. Is Machine Learning a prerequisite for deep learning?
5. Is TensorFlow machine learning or deep learning?
6. Is learning machine learning hard?
7. Do I need to know machine learning to learn deep learning?
8. What is the use of deep learning?
9. Should I learn machine learning or deep learning first?
10. Is TensorFlow a deep learning algorithm?

Tags

1. #abstraction
2. #fastest
3. #sound
4. #field
5. #representation
6. #composed
7. #learn
8. #machine
9. #growing
10. #networks
11. #artificial
12. #layered
13. #layers
14. #neural
15. #sense
16. #learning
17. #these
18. #images
19. #refers
20. #levels