The document summarizes a presentation about search and navigation requirements for a multimedia archive called iMMix. It discusses challenges in searching large audiovisual collections with diverse target groups. It outlines different user types and their information needs, and proposes a model with search competence and knowledge dimensions to support different search behaviors. Key points include connecting user demand to content supply through metadata, the challenges of search interfaces, and adding value through features like thesauri, keyframes and faceted search.