For Tasks (in general), please see here.

Frequently Asked Questions:

• What extra features are available with Advanced Tasks? (see here) 
• How do I add Task Types? (see here)
• How do I assign Task Types when creating or editing a Task List? (see here) 
• What does each field in the Task popup do? (see here)
• What is the Task Progress By User Report? (see here)
• Why can't I see the Task Type subtab? (see here)

Training Resources: 

• Video: Advanced Tasks (see here)