first off this first time working in wordpress template and I'm still learning how to code for

and this the image what i talk about



1-i ask which wordpress file templates am i use to make the single page
2-is correct just use
header.php
footer.php
comments.php
comments-popup.php
or there another templates file have to make to convert this image to wordpress

3- and to make single.php file i have to make index.php too or not