To put a set of symbols into an arbitrarily defined order; that is, to select A if A is greater than or equal to B, or to select B if A is less than B.

An orderly progression of items of information or of operations in accordance with some rule.

1. A sequence of geologic events, processes, or rocks, arranged in chronological order.

2. A geographically discrete, major informal rock-stratigraphic unit of greater than group or supergroup rank. Also known as stratigraphic sequence.

3. A body of rock deposited during a complete cycle of sea-level change.

A listing of mathematical entities x₁,x₂ ... which is indexed by the positive integers; more precisely, a function whose domain is an infinite subset of the positive integers. Also known as infinite sequence.

See <<collective>>