Adding a section (with Add a gadget link) in Blogger layout

A section is an area in Blogger layout that acts as a widget/gadget container. It is sometimes mistakenly addressed a page element. In Design > Page Elements tab, you can identify a section by the presence of an Add A Gadget link. To add a widget, simply click the Add A Gadget link in your preferred location and proceed with selecting a widget. But what if your preferred location doesn’t have