What is data layering?

Related questions

1. What is data layer in GTM?
2. What are computer layers?
3. What is DOM ready time?
4. What is Google Tag Manager and its benefits?
5. What is Google Tag Manager Noscript?
6. What is difference between document ready and window onload?
7. What are triggers How do you use them?
8. What is a layered image?
9. What are the layers?
10. What can you use Google Tag Manager for?

Tags

1. #interact
2. #having
3. #computer
4. #hierarchical
5. #interface
6. #programming
7. #organization
8. #above
9. #below
10. #components
11. #layer
12. #usually
13. #separate
14. #sequential
15. #layering
16. #functional