Page header running header or running headline, is a header that appears on each standard page. Running heads do not usually appear on display pages such as title pages, or on other front or back matter. Running heads in a book typically consist of the title on the left-hand (verso) page, and the chapter title on the right-hand (recto) page; or the chapter title on the verso and subsection title/subhead on the recto, aiding the reader's navigation by showing what content exists within the two-page spread at hand. A special case of the latter is in dictionaries, whose running heads are called
Bias against left-handed people Roman toga had only one pocket, located on the left side. The right hand has historically been associated with skill: the Latin word for right-handed is "dexter", as in "dexterity", meaning manual skill. Even the word "ambidexterity" reflects the bias. Its intended meaning is "skillful on both sides". However, since it keeps the Latin root "dexter", which means "right", it ends up conveying the idea of being "right-handed on both sides". This bias is also apparent in the lesser-known antonym "ambisinistrous", which means "left-handed ["i.e.", clumsy] on both sides". In more technical contexts, "sinistral" may be used in place of