It happened, at the time of the return of the year, at the time when kings go out [to battle], that Joab led forth the army, and wasted the country of the children of Ammon, and came and besieged Rabbah. But David stayed at Jerusalem. Joab struck Rabbah, and overthrew it.
The writer records victories over miscellaneous enemies (18:1-17; see notes on 2 Samuel 8:1-18); victory over a combined Ammonite-Syrian attack (19:1-19; see notes on 2 Samuel 10:1-19); victory over Ammon at Rabbah (20:1-3; see notes on 2 Samuel 11:1; 2 Samuel 12:26-31); and various victories over the Philistines (4-8; see notes on 2 Samuel 21:18-22).