You appear in court on the date requested. You may want to hire an attorney before the appearance. Additional: You will know why you are being summoned. Receiving a summons to court does not...
The classification of criminal offenses varies form state to state. What the exact offense may be called in one state does not have any bearing as to what it is referred to in another.
They don't necessarily check your criminal background - HOWEVER - if you happen to get caught up in in a random computer check of passengers - if you show up as "wanted" you may be taken into custody...