This document provides an overview of typology in Islamic architecture. It defines typology as the classification of buildings according to their common characteristics. In Islamic architecture, there are two main types of buildings - religious and secular. Religious buildings include mosques, tomb-mosques, tombs, khanqahs, imambargahs, and others. Secular buildings include forts, palaces, caravansarais, baolis, commemorative minarets, bridges, roads, gardens, baradaris, and town planning. The document then provides further details on some of these building types such as tomb-mosques combining tombs and mosques, khanqahs serving as spiritual retreat