Sentence:  The most pervasive need of non-English-speaking immigrants and refugees is <WSD>interpretation</WSD> for every English transaction. <WSD>Interpretation</WSD> is needed in stores, schools, and job training, and it is of critical importance in health care. 
Meaning of the word marked with <WSD> tags:  (translation studies)  The discipline or study of translating one spoken or signed language into another (as opposed to translation, which concerns itself with written language).