Studies have examined the positions of lexical bundles in text, noting variation among different genres (types of texts)
Lexical bundles are prepared differently in differently in different disciplines with regard to their positions in text.
“Priming accounts for the following features: First, every word is primed to occur with particular other words; these are its collocates. Second, every word is primed to occur with particular semantic sets; these are its semantic association. Third, every word is primed to occur in (or avoid) certain grammatical positions, and to occur in (or avoid ) certain grammatical functions; these are its colligations”
with respect to their positions in content.