He mea nui tonu te kounga o te mata whatu i roto i te hanga pokepokea rama. Ahakoa ngā rerekētanga iti o te rahi, te maeneene rānei o te mata, ka pā nui ki ngā rahi o te hua whakamutunga, te āhua o te mata, ā, i te mutunga, ki te mahi whakaata me te whakaata o te mārama.
Ko ngā kaihanga e whakatairanga tonu ana i te auahatanga me te pupuri tonu i ngā paerewa kounga pakari, ka noho tonu rātou ki te aroaro o tēnei mākete hihiri, whakataetae hoki o te ao.