A route group is sets defaults for storing parameters on how you want to manage aspects of a route operation. A route group can be setup on a resource which will allow it to default to an operation and then to a route.
There are 3 parameter that you might want to review the effect of generating an estimate cost price on an item you produce. These are for setup time, run time and Quantity. Set these based on how you want to include them in the estimation and costing.
Here is a quick overview.
AX2012 R3 CU11