1.  you said;  he said;  she said;  they said
casual quoting particle
2.  if ... then
as たって; indicates supposition
3.  do you seriously think that
as かって; indicates a satirical or rhetorical question
4.  I already told you;  you should know by now that;  of course
indicates certainty, insistence, emphasis, etc.
5.  the said ...;  said ...
abbr. of という
6.  says that ...
abbr. of と言っている
7.  I hear that ...
abbr. of と聞いている
8.  as for the term ...
abbr. of とは, というのは
9.  as for ...
equiv. of は topic marker