 The overall effect produces a grid-like appearance of regular, delicate, rectangular forms with an emphasis on the perpendicular.It is also employed as a wall decoration in which arcade and window openings form part of the whole decorative surface.The style, known as Perpendicular, that evolved from this treatment is specific to England, although very similar to contemporary Spanish style in particular, and was employed to great effect through the 15th century and first half of the 16th as Renaissance styles were much slower to arrive in England than in Italy and France.