How to move a task or a contact from one group to another
If you have your tasks or contacts in a list already, you can drag and drop them into a group.
You can filter the contacts in Daylite first, then drop them into a group for your mail blasts as an example.
Using the People setting on the left hand side of your window, you can filter based on Keywords etc. using the magnifying glass just above your list of people.
Create a new tab using the command T buttons on your keyboard.
Create a new group in this tab for your mail out.
Click on the first tab and highlight the people you have filtered for your blast. (command A will select All).
Grab those selected contacts and hover over the second tab. It will switch and you can drop those contacts over the group you have made.