In this paper we will refer to the targets of our lexicon creation efforts as formulaic sequences, following the terminology of Wray (2002;2008), wherein a formulaic sequence (FS) is defined as "a sequence, continuous or discontinuous, of words or other elements, which is, or appears to be, prefabricated: that is, stored and retrieved whole from memory at the time of use, rather than being subject to generation or analysis by the language grammar."
an FS shows signs of being part of a mental lexicon.