Not a teacher
I tried a search and received the same misleading answer:
What is the difference between a colon and a semi colon
a colon is a large intestine, a semi colon is part of that intestine ... A full
stop is a colon. A semi-colon is a full stop with a comma beneath it as ...
wiki.answers.com/Q/ What_is_the_difference_between_a_colon_and_a_semi_ colon
Somehow the above answer managed to intertwine intestines with punctuation marks.
There is a "colon" (anatomy) which consists of ascending colon, transverse colon, descending colon and sigmoid colon (according to Wikipedia).
Then there is the punctuation mark called colon : and the semicolon ;
and I am feeling rather queasy now.
Student or Learner