Think of a template as the form that everyone in a company must comply to. Templates can house many types of objects. These objects can be applied to a report after the data-intensive portion of the report design is completed. Applying an existing template to a report can save hours or potentially days of mundane formatting tasks.
Some types of tasks that can be accomplished by (but are not limited to) applying a template to a report are as follows:
Corporate logos and other images
Consistent page numbering formatting
Font style/color/typeface for data fields
Field border and background formatting
Group headers and footers formatting
Summary field formatting
Repository objects ...