For the interior designer, spirituality constitutes an intellectual goal based on the shape system, which reveals formations that contain symbols and signs that move the mental matrix of the recipient and give him sensory associations with the meanings contained in the interior space, to simulate concepts and translate behavior in a certain direction, often imposed by the influences transmitted by the visual scenes of geometric shapes and what is issued about the variables at the level of interpretation. This is one of the priorities of interior design, especially those spaces that are of a religious nature such as mosques, as the interior designer seeks through them to achieve the privacy of the place associated with spiritual aspects aspiring to reverence and reverence, and its aesthetic and ethical value represents a priority in the expression of the interior space. The importance of geometric shapes as external characteristics in the design output of the interior spaces can reveal spiritual values that play an active role in modifying and changing convictions, and according to the formulaic system of geometric shapes that include many meanings and indications, they carry aesthetic and expressive values, and here the current research aims to Laying down a knowledge base dealing with studying the extent to which it is possible to reveal the spiritual connotations of geometric shapes in interior design.