InstanceOn this pagecoreto be discussedcalval ingestWGISSWGCVInstance 1 Definition One operational incarnation of an element with its configuration. Notes Examples Sources CEOS/WGISS/DSIG/GLOS CCSDS – LTDP discussion and agreement (telecon 22 September 2014) ESA PDGS Glossary, PGSI-GSEG-EOPG-LI-13-0033 (MM-PDGS Glossary Issue 2.0_forReview.docx) Term RelationshipsParentsGrandparentsChildrenGrandchildren