Logo And Name
The Logo and Name under the Navigation regard the following:
Inside the main index.html file, check for the first lines after the "< body >" tag.
On "href="<destination>"" you can set where users will be redirected if they click on the icon. Can be a file located locally or an external link.
On "< img src="img/serverlogo.png ..."" you can choose where the website should get the image from. In the case, it's located on the subfolder /img and the logo is a file called serverlogo.png.