What makes a logo a good logo?

Related questions

1. Who created the first logo?
2. Can I edit my own Wikipedia page?
3. What is an iconic logo?
4. How do I copyright my business name and logo?
5. Where did the word logo come from?
6. Who is MTV target audience?
7. What is the purpose of logo?
8. Is MTV still around?
9. What makes a timeless logo?
10. Can I watch MTV without cable?

Tags

1. #great
2. #conveys
3. #usually
4. #effective
5. #practical
6. #meaning
7. #essentially
8. #boils
9. #communicates
10. #graphic
11. #simple
12. #owner
13. #message
14. #appropriate
15. #distinctive
16. #execution
17. #intended
18. #concept
19. #things
20. #behind