ARCHITECTURE, IN ADDITION TO THE BODY OF A BUILDING, RECREATES ITS SOUL IN ELEMENTS SUCH AS DECORATIONS. THE CREATIVITY OF THE ARCHITECTS OF ENGINEERS AND DESIGNERS HAS BEEN SUCH THAT THE ISLAMIC-IRANIAN ARCHITECTURE HAS BEEN DECORATED ON BUILDINGS SUCH AS MOSQUES, MANSIONS AND MAJESTIC FULLY-CREATIVE BUILDINGS. WITH AN UNPARALLELED INTELLIGENCE, THESE ELEMENTS HAVE NEVER BEEN CONSTRUCTED WITHOUT THE MEANING OF THE WORD AND IT ALWAYS INCLUDES ISLAMIC SPIRITUAL CONCEPTS. IN THE ABOVE ARTICLE, WE STUDY THE ELEMENTS AND DECORATIONS USED IN IRANIAN ARCHITECTURE, ESPECIALLY MOSQUES AND MONUMENTS AND LET'S TALK ABOUT THE CONCEPT OF THESE DECORATIVE SYMBOLS SUCH AS TILE, BRICKWORK, GYPSUM. WHICH IS A BUNCH OF RESULTS IN THE SUPREME AND PURE ISLAMIC THOUGHT. WHICH HAS A RELIGIOUS ROOT AND FAITH AND UNITY OF UNITY. THESE ARTISTIC TECHNIQUES, BOTH IN APPEARANCE AND IN APPEARANCE, ARE VERY BEAUTIFUL AND UNIQUE. THE ABOVE STUDIES ARE CARRIED OUT THROUGH FIELD STUDY OF THE LIBRARY, AND THROUGH A HISTORICAL, COMPARATIVE, AND ANALYTICAL STUDY. IN TERMS OF THE BETTER USE OF ARCHITECTURAL ELEMENTS AND VISUALIZATION OF THE SPACES FORMED THEREIN, IT IS A MODEL FOR MODERN ARCHITECTURE FOR THE INWARD IDENTITY OF THE SPIRIT OF MANKIND WITH TODAY'S ARCHITECTURE.