 In this way, she contributes to the poststructuralist critique of essentialized structures, whilst preserving the teachings of psychoanalysis.She travelled to China in the 1970s and later wrote "About Chinese Women" (1977).One of Kristeva's most important contributions is that signification is composed of two elements, the symbolic and the "semiotic", the latter being distinct from the discipline of semiotics founded by Ferdinand de Saussure.