What are the main differences between film semiotics, on one side, and semiopragmatics proposed by Roger Odin, on the other side?

-          What are “modes of reading”? Name at least three modes identified by Roger Odin; choose one of them and explain it in more details

-          What are the characteristics of the “Home Movie” mode?

-          Explain “Documentary mode of reading” -  what supports this mode of reading, what is the status of the enunciator in such reading, etc.