What's that "Header" thing when I start a new document and how do I make it not happen?

What’s that “Header” thing when I start a new document and how do I make it not happen?

When a start a new document I want a blank page. Please and thank you.

Answer in 2 parts:

Part 1: please download and read the free of charge guidelines. You find the them here: http://www.libreoffice.org/get-help/documentation/

Part2: Please explain a bit what you mean with “that “Header” thing”. Writer opens always with a new page thus in order to help you more information on what you do and what is the result is needed.