Field Definitions are Available Here
Collection
string (80)
This attribute describes the state of the collection, whether it is planned but not yet existent, partially complete due to continual additions from remotely sensed data/processing/reprocessing, or is considered a complete product/dataset.
IN WORK
State
/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:status/gmd:MD_ProgressCode
Theme
Identification Information (ECHO)