This document discusses research data management and lifecycles. It defines research data as any material needed to validate research results, including both quantitative and qualitative data. It introduces several data lifecycle models, including the UK Data Archive model of creating, processing, analyzing, preserving, and reusing data, as well as the DCC model of create, document, use, store, share, and preserve. The document emphasizes considering how research data will move through multiple lifecycles from its creation through future use and preservation.