This document provides an introduction to commercial interior design. It discusses that commercial design involves more than decoration, including issues like building materials, layout, and coordinating with construction professionals. The document outlines the commercial design process, including initial research on the organization and defining user needs through programming. It also lists some areas of specialization in commercial design like retail, offices, education, and healthcare. Finally, the document provides learning outcomes which include applying design principles, recognizing elements of the design process, and presenting drawings and documentation for interior projects.