Leaders [...] serve to carry the eye across the pages of indexes, tables, contents, etc.; thus:

Needle-gun invented...................1856

Brace [{].—It is the vertical curved line used to signify that two or more words or lines are to be taken together—thus:

Americans{Aboriginal
Native
Emigrants

Asterisk [*].—It is used in printing or writing as a reference to a passage or note in the margin or at the bottom of a page, and also to supply the omission of letters or words.

Dagger, or Obelisk [†] is so called from its resemblance to a dagger, or inverted obelisk. It is also a mark of reference to a note in the margin or at the bottom of the page.

Double Dagger [‡] is the third reference mark used when there are more than two used on a page.

Parallels [‖].—This character is used in writing and printing to call attention to a similarly marked note in the margin or at the foot of the page.

Section Mark [§] is the character often used to denote a division of a writing or subdivision of a chapter; a paragraph.

Paragraph [¶] is the sign which notes the division of a writing into distinct parts, sections or subdivisions.