'Thousands' in the Bible

He can appoint them for his use as commanders of thousands or commanders of fifties, to plow his ground or reap his harvest, or to make his weapons of war or the equipment for his chariots.

As they celebrated, the women sang:Saul has killed his thousands,but David his tens of thousands.

Saul was furious and resented this song. “They credited tens of thousands to David,” he complained, “but they only credited me with thousands. What more can he have but the kingdom?”

But Achish’s servants said to him, “Isn’t this David, the king of the land? Don’t they sing about him during their dances:Saul has killed his thousands,but David his tens of thousands?”

Saul said to his servants, “Listen, men of Benjamin: Is Jesse’s son going to give all of you fields and vineyards? Do you think he’ll make all of you commanders of thousands and commanders of hundreds?

As the Philistine leaders were passing in review with their units of hundreds and thousands, David and his men were passing in review behind them with Achish.

Isn’t this the David they sing about during their dances:Saul has killed his thousands,but David his tens of thousands?”