The use of illustrations of character, character values, and color palettes. Definitions of characters are presented in verbal and graphical manners (Fig. 1), along with illustrations of character values. All the verbal definitions and illustrations are fetched from Carex Ontology. These help clarify the semantics of the character and character values.

  
  Part of: Cui H, Ford B, Starr J, Reznicek AT, Zhou Y, Gan Q, Léveillé-Bourret É, Lacroix-Carignan É, Macklin J, Cayouette J, Catling P, Levin G, Saarela J, Smith T, Sutherland D, Sachs J (2022) Preliminary Findings of Usability Studies on an Ontology-Aware Taxon-by-Character Matrix Editor. Biodiversity Information Science and Standards 6: e90949. https://doi.org/10.3897/biss.6.90949