This is the sidebar that comes right beside the home page main content. The portion lies between the header and the footer. This is the area where the secondary content and important links can be placed. The sidebars can act as a secondary navigation for the website if properly utilized. This is not the main content area but directly beside it. So it can get user attention to important links.
The widgets that can be used in the sidebar are : Categories, Pages ,T – Recent comments, T – Advanced search, T – browse by category, tags, T- flickr photos, T – in the neighborhood , T – Instant search ,T –  Listing owner, T – Popular post, T – Login box, T-  search by miles, T – recent reviews, T – Testimonials, T – Social media,T –  Twitter feed.