Balance refers to the tasting term applied to coffees for which no single characteristic overwhelms other characateristics, but shows sufficient complexity to make it an interesting coffee

see also:
"Balance" is in the NAICS Code "333997"
  (Scale and Balance (except Laboratory) ManufacturingScales (except laboratory-type) manufacturing)

"Balance" is in the UNSPSC Code "41111515"
  Balance weighing containers or bowls or boats or papers