What purpose does the colon serve in the following sentence?

we need to bring the following items on our camping trip: a tent, a lantern, and a bundle of firewood.

Fortify is a verb that means “to protect and strengthen.” a fortifications is a that means something that protects.

What is the main difference between hearing and listening? a) hearing is easy; listening is hard. b) hearing involves the outer ear; listening involves the inner ear. c) hearing is the physical activity; listening involves processing the information. d) none of the above

Arrange the events below in chronological order. claudius and polonius hide themselves and listen in on hamlet's conversation with ophelia. claudius decides that hamlet's madness is not caused by neglected love and that he is dangerous. rosencrantz and guildenstern tell claudius that they still do not know the cause of hamlet's behavior. polonius suggests that he will hide and listen as the queen talks with hamlet.