Mocolo user interface is divided into three main areas:

This area contains the user interface elements which manage the list of monitored voide sources and those which allow to load and save a particular configuration.
Height of this window can be adjusted dragging around it's bottom - just in case you need to spare som UI space, or if you need to see the status of many monitored video sources.
This area contains the user interface elements to fine-tune the Mocolo analyzer connected to a monitored video source. There are a lot of parameters, so the parameter's window can scroll down to allow access to all the UI elements.
The parameter's window can be scrolled in three ways:
Lots of parameters!
This area, as you might expect, is devoted to visual output. It allows you to visually monitor what's going on with every video source.
Here you can also draw the interaction areas you need, directly on the video frame.