SCREENSHOT 31) To enter edit mode right click on any Widget or on the Desktop will trigger the context menu, which has an “Enter Edit Mode” option.
SCREENSHOT 32) In edit mode, the widgets may be moved, resized, configured, and removed.
SCREENSHOT 33) To change the look and feel of the bottom toolbar (Panel Toolbox), right-click on it to show the context menu and then “Enter Edit Mode”.
SCREENSHOT 34) This is the edit mode of the bottom toolbox called Panel Toolbox.
Multiple options: Panel Alignment – Left, Center, Right; Visibility – Always Visible, Auto Hide, Windows Can Cover, Windows Go Below; Opacity – Adaptive, Opaque, Translucent, Maximize Panel, and Floating Panel.
SCREENSHOT 35) The Panel Toolbox hosts different widgets like the system tray, which can be moved to another place on the Panel Toolbox.
SCREENSHOT 36) Another widget placed on the Panel Toolbox – the icons-only task manager to show icons on the opened applications.
SCREENSHOT 37) The page application – shows a preview of the different desktop screens if there is more than one.
SCREENSHOT 38) Remove the “Analog clock” widget with the right-click context menu.
SCREENSHOT 39) The widget “Analog Clock” has been removed.
You may undo the operation.
SCREENSHOT 40) Switch between programs with Alt-tab.
SCREENSHOT 41) Three opened applications and the Dolphin application on focus.
SCREENSHOT 42) The upper right corner task switcher.
Go with the mouse to the upper right corner to activate the task switch. All windows are visible and the one with the mouse over it is brighter.
SCREENSHOT 43) Switch or create a new Activity with the Alt+D+A.
Click on “Create activity…” to create a new activity. Here is more on KDE Plasma Activity – https://docs.kde.org/stable5/en/plasma-desktop/plasma-desktop/activities-interface.html.