The template that creates a blank document in Word is called Normal.dot. It is an important template not only because it is used to generate a blank document, but also because it is a global template that is always loaded when you create any document with any other template. Therefore, features in the Normal template (such as styles, AutoText, macros, keyboard or toolbar customizations) are available at all times when working in Word.
To review, the blank document template:
Is named Normal.dot.
Is used to generate a blank document such as the blank document that automatically opens when you open Word, or when you choose to start a new blank document.
Is a global template, the features of which are therefore available at all times in Word.