Kubuntu Focus focuses on laptops that run the Kubuntu operating system. For those that aren’t aware, Kubuntu is an official spin of Ubuntu that uses the KDE Plasma desktop in place of GNOME.
KDE Plasma offers many of the same elements most users are accustomed to (panel, system tray, desktop menu, clickable desktop icons, etc). It’s similar to the Windows desktop UI, only with more flexibility and customization. And given how elegant KDE Plasma is, one would expect a laptop to power that desktop to be equally so.