If you look at this post on the single post page, as opposed to a list of posts, then you will notice that it has been set up in order to be shown with its featured image in full width below the title and with a right sidebar. At vero eos et accusam Lorem ipsum [...]

If you look at this post on the single post page, as opposed to a list of posts, then you will notice that it has been set up in order to be shown with its featured image in full width below the title and with no sidebar (in a full width page). Ut wisi enim [...]

If you look at this post on the single post page, as opposed to a list of posts, then you will notice that it has been set up in order to be shown with its featured image floating left and with a right sidebar. At accusam aliquyam diam diam dolore dolores duo eirmod eos erat, [...]