There are several synonyms for the term "barred framework" including grille, lattice, trellis, grid, mesh, and screen. A grille refers to a framework of parallel or crisscrossed bars typically used to provide security for windows or doors. A lattice usually consists of a crisscross pattern of strips or bars. A trellis is a framework of latticework used to support climbing plants. A grid is a framework of horizontal and vertical lines used for measuring or laying out objects. A mesh is a network of wires or threads arranged in a crisscross pattern. Finally, a screen refers to a framework of fine wire or mesh used to conceal or protect something or someone.