forex broker main 4 digit or 5 digit market kia hai ?

Assalam-o-Alikum!

Dosto main app sy ya pocha na chahta hun aksar forex market 4 digit han or kuch 5 digit market hain in ka ka faida kia hai ?

4 or 5 digit market ko hum bohat zada asani say samjh saqty hain jis main ye 5 digit ki price hoti hai demo account main jub kay real market jub b account hoga ye 4 digit main hota hai or is say humy asali main profit or nuksan hota hai