Mosiah 20:8

And now Limhi had discovered them from the tower; even all their preparations for war did he discover; therefore he gathered his people together, and laid wait for them in the fields, and in the forests.

Limhi saw them coming from the tower. He saw all their war preparations. So he gathered his people together. They waited for them in the fields and forests.

Limhi spotted them from the tower. He saw all their war preparations, so he gathered his people and set an ambush in the fields and forests.