This section serves as the foundation for this exhaustive reference tool by addressing crucial theories essential to the understanding of multimedia technologies. Chapters found within these pages provide an excellent framework in which to position multimedia technologies within the field of information sci-ence and technology. Individual contributions provide overviews of multimedia education, multimedia messaging, and multimedia databases while also exploring critical stumbling blocks of this field. Within this introductory section, the reader can learn and choose from a compendium of expert research on the elemental theories underscoring the research and application of multimedia technologies.