This is normally the first window that pops up when JustWare is launched. You can launch basic tasks directly from here such as search or create names and cases as well as view those in which you were most recently active.
By default this screen shows each time you start JustWare. This behavior can be turned off with the checkbox in the the lower left corner.
You can view this screen any time after by going to File -> Show
Startup Screen Show Startup Screen or by pressing