Giving your text an exact position is part of the coding of the layout.
The layout is completely built in divs (divisions), each div contains information such as images for the layout or the actual text.
These divs can be positioned best through a CSS (Cascading Style Sheet) file which can be used in any HTML document.
The advantage of this is that you only have to make 1 CSS file which you can use in all of the HTML documents.