Is Aosp a stock Android?

Related questions

1. What are treble ROMs?
2. What is treble GSI?
3. Do I need root to install lineage OS?
4. Does custom ROM require root?
5. Is it safe to install custom ROM?
6. Is ROM and internal storage same?
7. Whats is Aosp?
8. Is installing a custom ROM safe?
9. Is Android or iOS better?
10. Is root required for custom ROM?

Tags

1. #stock
2. #pixel
3. #google
4. #stands
5. #heavily
6. #consists
7. #android
8. #project
9. #device
10. #codebase
11. #factory
12. #could
13. #intended
14. #source
15. #touchwiz
16. #samsung
17. #preloaded
18. #modified
19. #devices
20. #comes
21. #nexus
22. #vanilla