This document discusses organizational structure and design. It begins by defining organizational structure as how job duties and communication channels are formally grouped and coordinated. Four main factors that influence structure are then examined: organizational strategy, size, technology, and environment. The document also identifies and compares different types of departmentalization including functional, product, customer, geographic, and matrix structures. Additional topics covered include authority, centralization vs decentralization, work design approaches, and emerging organizational designs like team and modular structures.