rudimentary

e.g Gradually, I acquired a rudimentary knowledge of music. Another similar word is 'elementary' which also means basic. Just remember one starts with RUDI and the other with ELE.
 * Word**: rudimentary
 * Context Sentence**:aesthetic and stylistic considerations are again noted, and there appear to be the first steps towards a rudimentary differentiation of text types, with non-literary STs being treated differently from literary TTs.
 * Source**: **Munday, J.** (2001) //Introducing Translation Studies// London: Routledge
 * Definition**: a rudimentary knowledge or understanding of a subject is very simple and basic
 * Memonic**: basic and simple