input: [Description] The number of other packages that the classes in the package depend upon is an indicator of the package's independence. [Term] 
output: Efferent Couplings
options: N u m b e r o f C l a s s e s
options: A f f e r e n t C o u p l i n g s
options: E f f e r e n t C o u p l i n g s
options: A b s t r a c t n e s s
options: I n s t a b i l i t y
options: D i s t a n c e
options: C y c l e s