If you choose to create a record by entering details to an empty project, input is to the standard project set-up
Otherwise, choose a template that will provide some of the input and any of the optional details it can create are shown. Uncheck any that are not required.
Deliverables can be assigned an owner at this point.
The Start Date indicates when the execution of the new project will start and is used to offset the data when copied from the template.