… to help other researchers understand your data
Metadata are the description and documentation of data.
They describe the content and context of your data files. For example, title, date, and author are elements of metadata.
Applying metadata keeps your data organized, provides context and attribution, and prepares data for storage, retrieval, sharing, and interoperability. (Learn more about metadata here.)
Sample metadata elements
How to apply metadata - three options
Metadata standards outline the requirements and procedures for describing and documenting your data.