What do the colors on the Australian flag mean?

Related questions

1. Is NZ part of Australia?
2. Which flag came first Australia or NZ?
3. Is Australia a British colony?
4. What flag came first Australia or New Zealand?
5. Does each state in Australia have its own flag?
6. What do the 5 stars on the Australian flag represent?
7. Why is there the British flag on the upper left corner Australia?
8. What are the three arms of Australia's government?
9. Why does Australia have the Union Jack?
10. Is NZ flag older than Australian flag?

Tags

1. #traditions
2. #perseverance
3. #loyalty
4. #peace
5. #represent
6. #symbolism
7. #associated
8. #ancient
9. #following
10. #justice
11. #heraldic
12. #white
13. #truth
14. #colors
15. #vigilance
16. #honesty
17. #australian
18. #according