A broad term encompassing those killed or wounded in action, those who later died of their wounds, those missing in action and those taken as prisoners of war.

military personnel lost through death, wounds, injury, sickness, internment, or capture or through being missing in action.

one injured, killed, captured, of killed, captured, or missing in action through engagement with an enemy.

"feudal casualties" were payments which fell due to a feudal superior when certain events happened, usually to an heir to property held from the superior; the usual casualties were marriage, non-entry, relief and wardship

The white die of the combat die roll determines casualties, or losses due to battle. A 1, 2 or 3 results in Light casualties; a 4 or 5 results in Normal casualties; a 6 results in Heavy casualties. Look at the Casualties Table at the bottom of the Combat Card (#R31) to determine the actual number of steps to be lost.

Normal losses suffered in the course of attacking and defending. If your gang is not very big, you will probably not suffer very many casualties, if any.