"com•plex noun [countable]."
A group of buildings, or a large building with many parts, used for a particular purpose
"INFINITE’s COMPLEX collection consists of the simplest and easiest Countertop and Drawer Units with variable sizes. They are also made with 100% water proof Solid Surfaces materials to match INFINITE’s washbasins. The variation and combination provides different solutions for the customization of Flat Walls, Corner Walls and In-between Walls of bathrooms."