In word, there is many different functions that have multiple actions, for example double clicking on a word will highlight that specific word while double clicking on a blank space will move the cursor to this area.
This is exactly how to type anywhere on the page. When double clicking within the body of the document, you will see that the cursor has moved position to where you previously double clicked.
How to type anywhere on a document:
1.Double click in an empty space on the document
2. Start typing and the text will appear next to where you double clicked.
3. Repeat step 1 & 2 if you wish to add more text elsewhere on the page.