1)

An idiom used to detail specific route characteristics for any type of maneuver.

2)

A method of describing a demarcation zone.

Comments:

1)

This term is an extension to the layman's use of the term - specifically used in the context of describing the travel of a maneuver.

This term is often used interchangeably with Path of, but is somewhat more generic in nature. See Line of Travel vs Path of Travel.

The most common usage of this term is Line of Travel - although this is also very generic and can usually be supplanted with a more specific usage (see examples).

2)

Used in this context, it is an expansion of the layman's usage of the phrase.

Example(s):

1)

Examples of usage:

Line of Action

Line of Attack

Line of Departure

Line of Delivery

Line of Entry

Line of Execution

Line of Offense

Line of Retraction

Line of Sight

Line of Travel

2)

Examples of usage:

Line of Defense

Line of No Return

Related Definition(s):

Move, Path, Strike, Weapon, Target, Zone

Related Term(s):

Angle of, Degree of, Diversified Angle of, Method of, Path of

Geometric Line, Geometric Path, Point of Completion, Point of Origin