Grouping generally refers to the creation of one or more

group A group is a number of persons or things that are located, gathered, or classed together. Groups of people * Cultural group, a group whose members share the same cultural identity * Ethnic group, a group whose members share the same ethnic iden ...

s, or to the groups themselves. More specifically, grouping may refer to: *

Shot grouping In shooting sports, a shot grouping, or simply group, is the collective pattern of projectile impacts on a target from multiple consecutive shots taken in one shooting session. The ''tightness'' of the grouping (the proximity of all the shots to ...

in shooting sports and other uses of firearms * the use of

symbols of grouping In mathematics and related subjects, understanding a mathematical expression depends on an understanding of symbols of grouping, such as parentheses (), square brackets [], and braces (see note on terminology below). These same symbols are also ...

in mathematics (parentheses, etc.) * the creation of social groups * The 1923 amalgamations of British railway companies per the

Railways Act 1921 The Railways Act 1921 ( 11 & 12 Geo. 5. c. 55), also known as the Grouping Act, was an act of Parliament enacted by the British government, and was intended to stem the losses being made by many of the country's 120 railway companies, by "grou ...

See also