Kamar dunƙulen Celtic na ƙauna, ko quaternary kulli, Dara kullin alama ce mai daraja a cikin al'adun Celtic. Dara ta fito ne daga kalmar Irish "doire" wanda ke fassara itacen oak; saboda haka wannan kullin zai fassara "oak knot" da wakiltar asalin wannan itaciya.
Itacen oak itace mai tsarki ne a wasu al'adu kamar Slavic, Roman ko Baltic waɗanda suka tsarkake shi ga gumaka kamar Perun, Jupiter ko Perkunas; amma yana cikin al'adun Celtic inda yake ɗaukar mahimmin mahimmanci tunda yana ɗaya daga cikin sa tsarkakakkun bishiyoyi tare da wasu irin su hazelnut, holly, yew, ash, pine, holm oak ko itacen apple.
Itace itace alamar rai tunda tana dauke da abubuwa guda hudu: ruwan da yake ratsa jikinsa, da kasar da take da tushe, da iskar da yake zuwa da wutar da ke bulbulowa daga gare ta. Tsarkakakke ne saboda yana sadar da sammai da lahira tunda ya nitse daga tushensa a duniyar matattu, gangar jikinsa tana tsaye a doron duniya kuma rassanta suna taɓa sama.
El dutse Yana da daraja don girmanta, kyanta da bishiyarta, abinci da alama ce ta phallic, saboda haka jigon sa na miji ne (duk da cewa akwai wasu mata masu alaqa da shi)
Matsayin sa mai iko ya sanya shi a alama ce ta hikima, ƙarfi da ƙarfi; musamman tushenta, yayin da suke kutsawa cikin kasa da karfi, suna manne da ita yayin da guguwar ke kada jikinta.
Wannan shine dalilin da ya sa kullin Dara ya bayyana a kan tsofaffin abubuwan tarihi irin su Kildare's Cill-Dara Church da sauransu pendants, kayan ado (duk da cewa ba kasafai ake samunsa a matsayin zane ba, wani abu da ban fahimta ba) a matsayin alama ta asalin wannan itaciyar. Sanya shi yana zama tunatarwa game da karfi da asalin mutum; ƙarfin ciki na kowane ɗayan, ikon yin tsayayya da tashin hankali na rayuwa da fuskantar ƙalubale, masu zurfin ciki a cikin ƙasa.