Tirohia te whiti i raro nei, ka whakahoki i te pātai i muri i roto i te reo ano rite te whiti: Passage: Ko te tuhinga mo te tauira hoahoa whakaahua te horopaki i roto i nei te tauira e whakamahia ana, nga kaha i roto i te horopaki e rapu ana te tauira ki te whakaoti, me te otinga tūtohutia. Kahore he kotahi, hōputu paerewa mō te tuhinga tauira hoahoa. Engari, kua whakamahia te momo o hōputu rerekē e ngā kaituhi tauira rerekē. Heoi, kia rite ki a Martin Fowler, kua etahi puka tauira kua riro atu pai mohiotia atu i ētahi atu, a ka riro i ngā wāhi tīmatanga noa mō ngā kaha tauira-tuhi hou. Ko tētahi tauira o te hōputu tuhinga whakamahia nuitia ko te tetahi whakamahia e Erich Gamma, Richard Helm, Ralph Johnson, ko John Vlissides i roto i to ratou pukapuka hoahoa tauira. Kei roto i te reira nga wāhanga e whai ake nei: Pātai: He aha te tukanga mō te tuhinga hoahoa tauira?
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