In the OpenStreetMap data schema that's called 'tags'. Postgresql calls it 'hstore'. I've seen 'tuple' and 'set' used but overall it's easier for the reader to

In the OpenStreetMap data schema that's called 'tags'. Postgresql calls it 'hstore'. I've seen 'tuple' and 'set' used but overall it's easier for the reader to stick to key-value or name-value I think.