Here's a breakdown:
* Ores are rocks that contain a valuable mineral in a high enough concentration that it's profitable to extract.
* Iron ore is a type of ore that contains iron compounds like hematite (Fe₂O₃) or magnetite (Fe₃O₄).
* These ores are mined and processed to extract the iron.
So, iron doesn't come directly from rocks, but it is extracted from iron ores, which are specific types of rocks.