Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Passage: Ko te tuhinga mo te tauira hoahoa e whakaahua ana i te horopaki e whakamahia ai te tauira, nga kaha i roto i te horopaki e rapu ana te tauira ki te whakatau, me te otinga i whakaarohia. Kāore he hōputu paerewa kotahi mō te tuhi i ngā tauira hoahoa. Engari, he maha nga momo whakatakotoranga rereke i whakamahia e nga kaituhi tauira rereke. Heoi, e ai ki a Martin Fowler, ko etahi momo tauira kua rongonui ake i etahi atu, no reira ka waiho hei tiimata mo nga mahi tuhi tauira hou. Ko tētahi tauira o tētahi hōputu tuhinga e whakamahia nuitia ana, ko te mea i whakamahia e Erich Gamma, Richard Helm, Ralph Johnson, me John Vlissides i roto i ta rātau pukapuka Design Patterns. Kei roto ko ngā wāhanga e whai ake nei:  Pātai: He aha te tukanga mō te tuhi i ngā tauira hoahoa?
te horopaki e whakamahia ai te tauira, ngā kaha i roto i te horopaki e whai ana te tauira ki te whakatau, me te otinga e tūtohutia ana