Sentence:  These differences in turn result from the fact that my Yokuts vocabularies were built up of terms selected mainly to insure unambiguity of English meaning between <WSD>illiterate</WSD> informants and myself , within a compact and uniform territorial area , but that Hoijer 's vocabulary is based on Swadesh 's second glottochronological list which aims at eliminating all items which might be culturally or geographically determined . 
Meaning of the word marked with <WSD> tags:  uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field