Functional sentence perspective
In linguistics, functional sentence perspective (FSP) is a theory describing the information structure of the sentence and language communication in general. It has been developed in the tradition of the Prague School of Functional and Structural Linguistics together with its sister theory, Topic-Focus Articulation. The key concepts of FSP were laid down by Jan Firbas in the mid-1950s on the basis of the linguistic work of Vilém Mathesius, especially his idea of functional syntax in linguistic characterology of language. Terminology. The term 'functional sentence perspective' was created by Jan Firbas as a more convenient English equivalent  of Mathesius’ Czech term : Within Czech linguistics the Czech calque of the English term Functional Sentence Perspective "funkční větná perspektiva" is nowadays used to refer to the approach stemming from the writings of Jan Firbas and his followers, while the original Mathesius’ Czech term "aktuální členění větné" tends to be associated with the group of linguists developing the Topic-Focus Articulation, i.e. Petr Sgall, Eva Hajičová, Jarmila Panevová and their disciples, despite the fact that both terms are still sometimes used interchangeably in some Czech contributions to the topic of information structure of language. (Cf. Karlík - Nekula - Pleskalová (2002)) Functional