b. Dash is used to emphasize or replenish illustration.

c. We can use Dash to express the thinking hiatus which is longer than comma. (The sentence is usually inconsistency or theatricality.)

d. After a series of antecedent, we connect the paragraph of conclusion.(These antecedents are subject, so we should use dash to centralize them.)

e. If the sentence were not clear enough in a part, we could use dash to express the section, which doesn’t be written down.

f. We can use dash to express“to” “until”or “through”between figures.

   g. Using dash to show the writer or source in a quotation.

      h. When typing, using two ligature serially to replace and don't have blank space between the front and back words.