In a two-storey house in the living room on the ground floor, you can relax on the floorIn a two-storey house in the living room on the ground floor, you can relax on the floor
Abstract object in the form of a ball on a wooden surfaceAbstract object in the form of a ball on a wooden surface
В пределах, в середине чего-н.. Первая часть сложных слов в знач. в середине, внутри чего-н. ,.