//Sample A
public enum UserType
{
Admin,
User
}

//To verify a seting
if (userType == UserType.Admin)
{
   IsAdmin = true;
}

//Sample B
public enum OperationName
{
CreditExtension,
Payment,
SaleAssets
}

//Or To define a Process inside a function
if (process == Enum.GetName(typeof(OperationName), OperationName.CreditExtension))
{
   calculateInterest = true;
}

//That could be called like this ...
this.ExecuteCalculationX(Enum.GetName(typeof(OperationName), OperationName.CreditExtension), clientId: 567)