Whakaahua reo, wetereo o te ao, pūtaiao whakamahi parau tumu rerekē o te whakarōpū. E ngā reo ki ngā rōpū e matawhenua (rohe) parau tumu, i roto i te takiwā o te hanganga wetereo, i runga i te pūtake o te hāngaitanga wetereo, te whakamahi i roto i ora kupu rā.
Mā te whakamahi i te paearu muri, wehea nga kairangahau nga reo katoa o te ao ki e rua ngā rōpū matua - ora me reo mate. Ko te āhuatanga matua o te tuatahi - te whakamahi ia ratou i roto i ia rā kōrero, mahi reo, he hapori āhua nui o te iwi (iwi). Kei te tonu whakamahia te reo ora i roto i te kōrero rā, huringa, uaua ranei māmā i runga i te wā.
Ko te huringa tino kitea puta i roto i te papakupu (kupu) reo: wāhanga o te kupu tawhitotia, riro i te tae tawhito, me te rerekē, ki te tautapa i puta ngā ariā hou ake me te ake kupu hou (whängai). Ētahi atu pūnaha reo (morphological, ā whakaahua, syntactic) he atu e mangere, huri rawa āta me fu'u.
reo Dead, rite te ātete ki te ora, e kore e whakamahia i roto i te mahi reo ia rā. pūnaha katoa reira tonu, ka ora taua, huānga tonu. reo mate, whakaurua i roto i te whānuitanga o ngā pūkete i tuhituhia.
Ka taea te wehea te reo mate katoa ki e rua ngā rōpū matua: tuatahi, te hunga e wā i roto i te mua tawhiti, i whakamahia hoki kōrero ora, me te reira, mo te ngā take, kua mutu ki te whakamahi i roto i te kōrero ora tangata (Latin, Kariki, Coptic, Old Norse, Gothic). Ko te rōpū tuarua o reo mate ngā hunga i roto i te whakaatu ki a ake tonu kahore tetahi; i hanga ratou āta ki te mahi i tetahi mahi (pera, hei tauira, i reira ko te Old reo Slavonic - te reo o te tuhinga fakalitūsia Karaitiana). reo mate tino maha puta ki te ora, mātātoa whakamahia (hei tauira, kua homai Kariki ara ki reo hou me mita o Kariki).
Latin noho te wahi motuhake i roto i te toenga. Te kore te feaa, Latin - he reo mate: i roto i te mahi kōrero ngahau e kore e kai i te reira a tawhio noa te ono o rau AD. Ko, i te tahi atu te ringa, ka kitea te Latin te tono whānui i roto i te ho'oraa, hauora, kupu pūtaiao, koropiko Katorika (Latin - te pā "āhua" reo o te Tapu Vakai ko Vatican City State). Ka rite ki a koutou e taea te kite, "mate" Kei te whakamahia whānuitia Latin i mara ngā o te ora pūtaiao, te matauranga. whare wānanga Philological nui katoa tika ngā Latin i te marautanga, e pupuri te kupu te whakarerenga iho o te mātauranga ohaoha puāwaitanga. I tua atu, i te reo mate - he puna o kōrero poto, me te kaha e kua haere i roto i te tau: ki te hiahia koe te rangimarie - ia faaineine no te whawhai; Ngahunga Mori; E rata, rongoa koe ia - enei kupu katoa "whanau" i te Latino. Latin - he reo tino arorau, me te pai-hanga, maka, kahore-tito, me te peha waha; e kore te whakamahia reira anake mō ngā take utilitarian (prescriptions tuhituhi, te hanganga o te puna kupu taurite pūtaiao), engari kei roto i te tahi mau ara te tauira, te reo paerewa.