Quick sections
Microsoft introduced in PowerPoint 2010 the Sections feature to organize your slides much like folders and files. It allows you to easily navigate through giant presentations and to move, delete or copy all slides within a section.
When you add a section PowerPoint creates a default name for this section. Of course you can rename a section, but you have do some clicks and (re)typing.
P3Plus
has some functions to create sections in a quicker way.