a symbol (∼) indicating equivalency or similarity between two values.
a dash one en long.
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 dash one em long.
a short oblique stroke (/) between two words indicating that whichever is appropriate may be chosen to complete the sense of the text in which they occur:
a mark (‸) made in written or printed matter to show the place where something is to be inserted.