Final answer:
A template is used to maintain consistency in terms of margins and page numbers in documents.
Step-by-step explanation:
A template is used to maintain consistency in terms of margins and page numbers in documents. It provides a predefined layout that ensures that all documents created using the template follow the same formatting guidelines. For example, in a template for an essay, the margins may be set to 1 inch on all sides, and the page numbers may be placed in the upper-right corner.