* Specific tasks and activities
* Captures different data
* Can see or not see certain data
* Security — What can and can’t specific users do
* Different goals
* Individual responsibilities
* Processes
* Reports and visuals of data to decide
Those are just the obvious ones that I can immediately spot — there was probably a lot of careful consideration into the placement of circles in order to facilitate good looking arcs and circles that bring the animals to "life".