Provenance metadata provide high-level information about origin of the value.
It specifies system, process, partner or organization that was used to obtain the data.
This is a high-level information without excessive details, designed for long-term storage with the data.
Yield data structure represent an output or product of data processing.
Inbound synchronization _yields_ data values, as do mappings and users entering data in user interface.
Each such result will be described by a value of this data structure.
Multiple values of this metadata structure indicate several independent sources for the data value that it describes.