However, it is assumed that structures on the expression plane mirror structures on the content plane. This can be seen in the parallelism between the structure of Danish sentences as described by the structural syntactic model of Paul Diderichsen dividing utterances into three basic fields: a foundation field, a nexus field and a content field; and the pragmatic structure of utterances that often uses the foundation field for discourse pragmatic functions, the nexus field for illocutionary functions and the content field for the linguistic message. Danish functionalists assume that an utterance is not to be analysed from the minimal units and up, but rather from the maximal units and down, because speakers begin the construction of utterances by choosing what to say in a given situation, then by choosing the words to use and finally by building the sentence by means of sounds.