Home-1 Layout does not use Component block to show the Menu output.
It only has the module position also its not full with, This is just a layout that can be used to show the module as full width.
If you want to customize the layout and add component/Mainbody
Open file "/tpls/home-1.php" in template "socialize".
Add Mainbody section code in it to show the menu output
<?php $this->loadBlock('mainbody') ?>
There are different type of mainbody section used in different layouts.