Given the following passage  "Cross-cultural study of comics is complicated by the great difference in meaning and scope of the words for "comics" in different languages. The French term for comics, bandes dessinées ("drawn strip") emphasizes the juxtaposition of drawn images as a defining factor, which can imply the exclusion of even photographic comics. The term manga is used in Japanese to indicate all forms of comics, cartooning, and caricature.",  answer the following question. Note that the answer is present within the text.  Question: What makes the cross-cultural study of comics difficult?
the great difference in meaning and scope of the words for "comics" in different languages