What do you mean by the visible size of the door?

Refers to the size of the door opening, that is, the minimum size of the door frame. The size of visible light is the visible width and height, that is, the size of the doorway. The size of the door opening refers to the exposed size, width, height and thickness of the door. Door frame size: the frame size of the door frame can be installed in the door opening, and the size of the door leaf can be installed. Lighting size of door frame: take the center of the inner side of the door frame where the target door frame can see the light after installation. 4. Door leaf size: it is suitable for the door leaf specifications that can be installed in the door frame and can move freely. The clearance between the door leaf and the door frame is 6-8mm, and the height between the door leaf and the ground is 8-12mm. ..