Inside the Layout options tab inside the Theme Options is where you will choose your header & footer styles, as well as your sidebar layouts and some other various layout options for your website.
The Layout tab section within Theme Options covers the following:
This is where you can select which header style you would like to use, and adjust the various options associated with each different header.
In the sidebars tab you can decide whether you would like to display a right, left or no sidebar layout for various places within your website such as blogposts, the blogpage, archives, etc.
In this section you can upload a custom image for the header on the blogpage and also configure other various options.
The footer tab is where you will choose what layout you wish to use. You can practically create any footer layout here that you need, and you can also adjust the top/bottom spacing accordingly.