This document contains a literature review on Islamic architecture conducted by a student named Nurul Jannah Masturah Jailani. It includes references from several sources that discuss key concepts in Islamic architecture like tawhid (the oneness of God) and how it influences architectural design. Tawhid aims to direct the viewer towards contemplating God's unity and transcendence. It gives Islamic architecture its identity and creates harmony between buildings and their users. The document also examines how elements like domes and ornamentation in mosques can symbolize theological principles and help worshippers feel spiritually connected to God.