Export and import current account

1-Hum current account open karte he to ham usme doller kahi transection karsakte he kya
2- us current account me doller or rupees donome use kar sakte
3-exim ke liye jo hamne current account khola he usme domestic business ke transection kar sakte he

Nhi jo apka current account hoga usme paisa ek he currency m rhega apko agr dollar m payment leni h to app current account m le skte ho apka bank usse exchange rate s multiply krke apko de dega pr agr apko dollar m he chahiye to apko EEFC account or kholna pdega usme apka paisa jis currency m aaya h us he currency m rhega