Choice is a synonym of collection.
In obsolete|lang=en terms the difference between choice and collection
is that
choice is (obsolete) a sufficient number to choose among while
collection is (obsolete) the act of inferring or concluding from premises or observed facts; also, that which is inferred.
As nouns the difference between choice and collection
is that
choice is an option; a decision; an opportunity to choose or select something while
collection is a set of items or amount of material procured or gathered together.
As an adjective choice
is especially good or preferred.