Who you are.(So we know what to call you)
What you are. (So we can get an idea of your performance)
Where you're from. (So we know what direction to look from on the radar screen)
Where you're going.(So we know what direction to look towards on the radar screen)
Where you are [includes level in addition to geographic position]. (So we can fine tune where to look for you on the radar screen)
What you want.(So we can deliver service accordingly.....and make a 'service impact assessment')
Dead simple.
One size - fits all: "Zone transit, MATZ penetration, Request FIS, RIS, joining, contacting LARS, position report....."