(zoology) Mostly African primates. One of the Old World Quadrumana, of the genera Cynocephalus and Papio; the dog-faced ape. Baboons have dog-like muzzles and large canine teeth, cheek pouches, a short tail, and naked callosities on the buttocks. An Old World monkey of the genus Papio, having dog-like muzzles and large canine teeth, cheek pouches, a short tail, and naked callosities on the buttocks.
Geometric Characteristic Symbols (14) - The symbols are divided into five categories: form, profile, orientation, location, and runout. Geometric Dimensioning and Tolerancing (GD&T) - A set of fourteen symbols used in the language of GD&T. It consists of well-defined of symbols, rules, definitions and conventions, used on engineering drawings to accurately describe a part.
Tolerancing is just like written languages. It has its own standards. There are to many standards like ANSI(Inch System), ISO (Metric System) etc. List of standards: ANSI B4.1, ANSI B4.2, ISO 286, ISO 1829, ISO 2768, EN 20286, JIS B 0401.