As nouns the difference between purposes and preferences
is that purposes is while preferences is preferences (user-specified settings of parameters in a computer program).
As a verb purposes
is (purpose).
purposes
English
Noun
(head)
Verb
(head)
(purpose)
preferences
English
Alternative forms
* (archaic)
Noun
(
preferences)
English plurals
(computing) The user-specified settings of parameters in interactive computer software
Verb
(head)
(preference)