That is called a header. You can use whatever type of text you like in a header (as long as it is available on your computer).
Header
a heading
a heading
a heading
Maybe the number of the page?
the default text is Times New Roman
Text that appears at the bottom of each page is called a footer.
Generically this is called a "header".
header
They are known as the Header (top) and the Footer (bottom). Unless enabled, they do not appear on the printed page, and are outside the page body area that can contain printable text. Use Word's Help for more instructions.
It is the Footer.
If you are referring to the text that appears at the very top of the page, above the title, this is called a header.A header is generally used to enter the name of the author of the document or page numbers. Although most people prefer page numbers at the bottom of the document in the footer.
Text printed at the top of the page is called a header.