It is customary to call a special architectural element with an arch or arched doorway, which divides the internally space of the room into several zones, excluding the installation of a traditional door structure. The forms of arches are represented in a wide variety, starting from ordinary semicircular bends, lancet forms in the Gothic style, ending with multifaceted and curly lines. Each form of the arch corresponds to a specific interior style, therefore, looking through the repair of a photo with your own hands, you can choose the best version of the arched element for your home, which will organically fit into the common space, completing its aesthetic appearance. Arks in the classical style are most widely popular and in demand, since such an element is considered universal. The arc forms the correct radius, conveying the smooth and calm nature of geometric lines.