Pricelists is a label for different price levels. ie. Wholesale, Suggested Retail Price
Advanced > Administration > Pricelists
The first three are system defaults, and they cannot be deleted. However, it can be modified to suit your needs.
Click New at the bottom of the list > Enter the name
Click Edit to change and add Currency Code. At least one pricelist with Currency Code is required.
*remember your company's default pricelist ID
Go to Advanced > Administration > DC Settings - General to set the company's default currency