toning is taken to mean by the masses... losing bodyfat whilst tightening a muscle, but not gaining much size.
Its bullsh*t you understand, because it doesnt actually exist, you build muscle or you dont, you cant change it.
Take Brad Pitt from fight club, people say he's toned, thats what people mean when they say toned, 'i want to look like Brad Pitt.' Toning is just a word fitness companies and personal trainers use to get money out of fat people and old women.