Why are icons used?

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Tags

1. #guide
2. #decoration
3. #become
4. #navigation
5. #while
6. #attention
7. #improve
8. #visual
9. #often
10. #their
11. #users
12. #navigating
13. #interest
14. #cause
15. #effective
16. #icons
17. #nothing
18. #webpage
19. #dilution