To-do lists

1. What is a private to-do list? What does it mean to make something private?
2. Can I move items from one Basecamp project to another?
3. How do I use Basecamp Classic to-do lists to track time?
4. What’s the difference between to-dos, milestones, and events?
5. What is the purpose of the To-dos, Calendar, and Time tabs on the Dashboard?
6. Can I save and reuse to-do lists?
7. Can I attach a file to a to-do or milestone?
8. What does it mean to relate a to-do list to a milestone?
9. I'm no longer receiving email notifications from Basecamp. What's going on?
10. Does Basecamp support task dependencies?
11. Can I add comments or files on to-dos?
12. How does the privacy setting work in Basecamp?
13. What is the Daily Digest and how do I subscribe to one?
14. Can I reorder items or lists? Can I move items between lists?
15. Can I prioritize to-dos?
16. How do I delete a to-do list?
17. How do I add more items to a to-do list?
18. Can I add comments or files on milestones?
19. Why are my to-do lists automatically being marked as completed?
20. How do I add dates to to-dos?