In a technical sense, linking "points" and models in SketchUp for building projects involves several specific tools and extensions: The Best Sketchup 3D Modeling Software - BuildingPoint SA
Without proper point linking, your "building" is just a collection of floating polygons. With it, your model becomes a reliable, parametric system. sketchup building point link
There is a dedicated extension named (by mind.sight.studios). In a technical sense, linking "points" and models