Ka duba nassi da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassi: Nassi: Takaddun shaida don ƙirar ƙira ya bayyana mahallin da ake amfani da ƙirar, ƙarfin da ke cikin mahallin da ƙirar ke neman warwarewa, da kuma shawarar da aka ba da shawara. Babu wani tsari guda ɗaya, daidaitaccen tsari don rubuta ƙirar ƙira. Maimakon haka, mawallafa daban-daban sun yi amfani da nau'ikan tsari daban-daban. Koyaya, a cewar Martin Fowler, wasu siffofin tsari sun zama sananne fiye da wasu, kuma sakamakon haka sun zama wuraren farawa na yau da kullun don sabbin ƙoƙarin rubuta tsari. Misali ɗaya na tsarin takaddun da aka saba amfani da shi shine wanda Erich Gamma, Richard Helm, Ralph Johnson, da John Vlissides suka yi amfani da shi a cikin littafin su Patterns Design. Ya ƙunshi waɗannan sassan: Tambaya: Menene tsari don tsara ƙirar ƙira?
mahallin da aka yi amfani da tsarin, da karfi a cikin mahallin da tsarin ke neman warwarewa, da kuma shawarar da aka ba da shawara