Backup vs. Tailback — What's the Difference?

In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is "back up", whereas the noun and adjective form is "backup".

The back on an offensive team who lines up farthest from the line of scrimmage.

A reserve or substitute.

(UK) A line of motor vehicles causing or the result of traffic congestion or a traffic jam.

(Computers) A copy of a program or file that is stored separately from the original.

(American football) A running back or halfback who lines up furthest to the rear in an I formation.

Support or backing.

(football) the person who plays tailback

(Music) A background accompaniment, as for a performer.

The position of the offensive back on a football team who lines up farthest from the line of scrimmage

An overflow or accumulation caused by clogging or by a stoppage

Extra; standby

A reserve or substitute.

(computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.

An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.

(law enforcement) reinforcements

Standby, reserve or extra.

(computing) That is intended as a backup.

Supporting, reinforcing; of or related to accompaniment

Anything kept in reserve to serve as a substitute in case of failure or unavailability of the normal or primary object; - used for devices, plans, people, etc. Also used attributively; as, there was no backup for the electrical supply; a backup motor; a backup generator.

A musician or group of musicians accompanying a soloist, whether vocalists or instrumentalists.

A person or group of persons serving as reinforcement for another or others; as, the policeman called for backup when he was fired on.

An accumulation, overflow, or reverse flow (in traffic or a liquid flow system) caused by a stoppage or other malfunction.

A copy of a program or data from a computer onto a data-storage medium, usually one that may be removed to safe storage at a distance from the computer; it is used to preserve data for use in the contingency that the original data on the computer may be lost or become unusable. A backup that is removed from the building housing the computer system (to provide protection against loss of data in a disastrous event such as a fire) is called off-site backup. Also used attributively; as, backup copy.

The act or process of creating a backup{5}; as, they performed a full system backup every weekend.

An accumulation caused by clogging or a stoppage;

Someone who takes the place of another (as when things get dangerous or difficult);

A subordinate musical part; provides background for more important parts

(computer science) a copy of a file or directory on a separate storage device;

The act of providing approval and support;