Meaning,semanticity,intentionality,representation and mental content remain the focus of study in different disciplines.Meanwhile,these disciplines,i.e.philosophy of mind,cognitive science and philosophy of language,etc.,tend to converge during their own development.On the one hand,such disciplines coincide in their respective research of meaning;they regard the above as consolidated objects with no clear-cut distinction and do not differentiate concepts such as 'meaning', 'content', 'representation', 'aboutness' and 'intentionality' in the discussion.On the other hand,intentionality theories ...