What is supply chain upstream and downstream?

Related questions

1. Is upstream before or after?
2. Which of the following is an upstream process?
3. What is upstream oil?
4. How does promoter affect gene expression?
5. What is upstream project?
6. Is the TATA box a promoter?
7. What are upstream control elements?
8. What are downstream activities?
9. Which direction is upstream?
10. What is the difference between upstream and downstream?

Tags

1. #supply
2. #their
3. #coming
4. #enters
5. #products
6. #river
7. #which
8. #anything
9. #company
10. #whatever
11. #suppliers
12. #materials
13. #chain
14. #material
15. #finished
16. #comes
17. #customers
18. #deliver
19. #upstream
20. #network