Just as templates have slightly different behavior from documents, so are they also a distinct file type.
If you've saved many documents in Word, you're probably familiar with the choices of file type available in which to save files. The standard format defaults to a document type. A template is a different type.
As shown in example 1: A template is saved as a Word Template
type. It has a .dotx at the end of its file name. (In prior Word versions, this extension was .dot.)
As shown in example 2: A document is saved as a Word Document
type. It has a .docx at the end of its file name. (In prior Word versions, this extension was .doc.)
You'll get more exposure to this in the second lesson, in which you'll save a document as a template, and you'll see firsthand what those steps are. For now, just remember that documents and templates are two distinct types of files, and they behave differently from each other.
Note To see the file extension as part of the file name, you need to change a setting within Microsoft Windows. The practice session and Quick Reference Card give the steps for doing so.