On muitlpiers I'm understanding most like 9 different call areas inCraig -
You count DXCC entities just like you do for ARRL's DXCC award.
Your first contact to Argentina counts for Argentina on that band--
you don't need a second. If you get an Argentine on another band,
then it counts for that band, too.
The only countries where call districts count are W/VE/JA/VK.
Other than that, there is no difference--PY5XT is the same as
And yes, a W1 is the same as a N1, as a K1, as a WA1, etc.
What matters is the district they're in, not the exact callsign. So a
W1 is the same as a W3HF/1, if W3HF is portable in Connecticut.