The United States dollar is a form of trade.
Structural linguistics is an approach to linguistics originating from the work of Swiss linguist Ferdinand de Saussure and is part of the overall approach of structuralism .. linguistics. linguistics. Ferdinand de Saussure. Ferdinand de Saussure. structuralism. structuralism. Structural linguistics involves collecting a corpus of utterances and then attempting to classify all of the elements of the corpus at their different linguistic levels  : the phonemes , morphemes , lexical categories , noun phrases , verb phrases , and sentence types.John R. Searle , `` Chomsky 's Revolution in Linguistics '' , New York Review of Books , June 29 , 1972 .. linguistics. linguistics. corpus of utterances. Speech corpus. lexical categories. Lexical category. sentence. sentence ( linguistics ). De Saussure 's Course in General Linguistics , published posthumously in 1916 , stressed examining language as a static system of interconnected units .. Course in General Linguistics. Course in General Linguistics. He is thus known as a father of modern linguistics for bringing about the shift from diachronic -LRB- historical -RRB- to synchronic -LRB- non-historical -RRB- analysis , as well as for introducing several basic dimensions of semiotic analysis that are still important today , such as syntagmatic and paradigmatic analysis -LRB- or ` associations ' as Saussure was still calling them -RRB- .. linguistics. linguistics. diachronic. Diachronic linguistics. synchronic. Synchronic linguistics. semiotic. semiotic. syntagmatic. syntagmatic analysis. paradigmatic analysis. paradigmatic analysis. Two of Saussure 's key methods were syntagmatic and paradigmatic analysis , which define units syntactically and lexically , respectively , according to their contrast with the other units in the system .. syntagmatic. syntagmatic analysis. paradigmatic analysis. paradigmatic analysis. syntactically. Syntax. lexically. Lexicon