Planner combines multiple task types into 1 program:

'Todo' tasks have a simpler input dialog, since you want to handle them in less detail than planned tasks. 'Planned' tasks have extra fields like 'Client', 'Project' and 'Milestone'. More information on entering tasks is provided in the 'Tasks' documentation page.

If your situation involves more than 1 person, you first have to enter the persons/resources. A task can be attached to a specific person (named 'resource' after 'human resource management').

Continue to 'Adding resources'.
Continue directly to 'Adding tasks'.