And he said unto his lad, run, find out now the arrows
He no doubt told him the mark which he should shoot at, the stone Ezel, and bid him look out about that for them:
[and] as the lad ran;
before he had got to the mark:
he shot an arrow beyond him:
or it; beyond the lad, or beyond the mark he shot at; purposely shooting with great strength, that he might exceed, and thereby give notice to David how things stood, which was the sign agreed on.