Why were illuminated letters used?

Related questions

1. What do we call the first letter in a medieval manuscript?
2. What is the oldest manuscript in the world?
3. What is manuscript preparation?
4. How long should a book manuscript be?
5. What are the three types of illuminated manuscripts?
6. Which holy book came first?
7. Who wrote manuscript?
8. What format should a manuscript be?
9. What is included in a manuscript?
10. What format should a book manuscript be in?

Tags

1. #helped
2. #reader
3. #these
4. #invention
5. #illuminators
6. #before
7. #pictures
8. #books
9. #decorate
10. #colored
11. #summary
12. #printing
13. #lesson
14. #manuscripts
15. #called
16. #light
17. #silver
18. #illuminated
19. #press
20. #because