The title of the document is the first line that's formatted into a heading. This is usually the first line of the document. You can change the title directly in the document by changing this line.
For example in the document below, the title of the document is Other Specs.
By clicking into the title of the document, Other Specs, you can directly edit and change the title. This title would then be directly updated at the top of your desktop app, or in the left hand corner within our web browser.