This report delves into various aspects of business administration, encompassing several key units. It begins with a discussion on delivering presentations, including methods, audience considerations, contingency planning, voice projection, and evaluation techniques. The report then explores mail handling, covering junk mail, problem-solving, franking machines, package preparation, organizational policies, and reporting procedures. Information storage and retrieval are examined, including systems, security, filing, search techniques, and troubleshooting. The report also addresses maintaining stationery and supplies, including stock checks, problem-solving, ordering factors, supplier evaluation, and quantity calculations. Furthermore, it examines word processing software, customer complaint resolution, and principles of leadership and management, including decision-making, leadership styles, motivation, planning, performance management, and business objectives. The report aims to provide a thorough understanding of core business administration functions.