COMMENT ON COLUMN word.prio IS 'difficulty level or importance; lower values have precedence';
COMMENT ON COLUMN word.grade IS 'ascending hierarchical order, preceding default alphabetical';
COMMENT ON COLUMN word.cover IS 'highlight if selected';
COMMENT ON COLUMN word.source IS 'URI of downloaded image';
COMMENT ON COLUMN word.thumb IS 'ImageMagick convert options to create thumbnail from source image';
COMMENT ON COLUMN word.wptitle IS 'reference Wikipedia article';
COMMENT ON COLUMN word.prio IS 'difficulty level or importance; lower values have precedence';
COMMENT ON COLUMN word.grade IS 'ascending hierarchical order, preceding default alphabetical';
COMMENT ON COLUMN word.cover IS 'highlight if selected';
COMMENT ON COLUMN word.source IS 'URI of downloaded image';
COMMENT ON COLUMN word.thumb IS 'ImageMagick convert options to create thumbnail from source image';
COMMENT ON COLUMN word.wptitle IS 'reference Wikipedia article';