There are currently no widgets assigned to the left-sidebar, place some!
Once you add widgets to this sidebar, this default information will go away.
Widgets can be added by going to your dashboard (wp-admin) -> Appearance -> Widgets, drag a widget you want to see into one of the appropriate sidebars.
The real secret to this strip is that this computer setup is what you actually use right?
How did you guess the Entities-R-Us command center looks just like that?!
snicker…
TJ