Building Blocks of Books and Movies

Dictionary.com lists the following definitions:

leaf
noun 
5. Bibliography. a unit generally comprising two printed, blank, or illustrated pages of a book, one on each side.
or
4. one of the sheets of paper in a book

frame
noun
8. Movies. one of the successive pictures on a strip of film.
or
6.a. one of a series of individual exposures on a strip of film used in making motion pictures


To give you an idea of what this blog will be about.  ;)