Abstract: The present invention relates to an openable screen element such as an insert unit to be inserted into an opening of a wall, particularly a door or a window, comprising at least one screen element side-hinged to the frame structure, said screen element being pivotally mounted over a hinge axis in the frame structure for opening and closing in a direction away from the opening, where the screen element comprises two mutually angled planar sectional elements preferably rectangular in shape, positioned in different planes with an intersection line essentially parallel with the hinge axis. Apart from being communication surfaces containing information of the activities in a room with one or more doors according to the invention mounted into the walls, the screen element, such as a door surface of a screen element according to the invention, will also be able to function as a direction pointer or provide visual indication of the direction for opening of the screen element (door or window) due to its bent shape.