a portable, wireless computing device that is small enough to be used while held in the hand; a hand-held: a large selection of smartphones, PDAs, and other mobile devices.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.