A Data Management Plan (DMP) is a document that outlines how you/your research group plan to collect, store, protect, analyze, and share your research data. If you are applying for a grant your funding agency may require a DMP, but even if one is not required it is a useful tool to help you formalize, organize, and remember your planning process and ultimately conduct your research more efficiently.
A DMP will include:
Metadata is a type of documentation describing the information about your data that helps you and others find, evaluate, understand, and re-use it. This may include:
Many disciplines already have metadata standards; check the Metadata Standards Directory for yours.