Front: The space, in width, occupied by an element, either in line or in column. The front of a man is assumed to be 22 inches. Front also denotes the direction of the enemy.
Guide: An officer, noncommissioned officer, or private upon whom the command or elements thereof regulates its march.
Head: The leading element of a column.
Interval: Space between elements of the same line. The interval between men in ranks is 4 inches, and is measured from elbow to elbow. Between companies, squads, etc., it is measured from the left elbow of the left man or guide of the group on the right to the right elbow of the right man or guide of the group on the left.
Left: The left extremity or element of a body of troops.
Line: A formation in which the different elements are abreast of each other.
Order, close: The formation in which the units, in double rank, are arranged in line or in column with normal intervals and distances.
Order, extended: The formation in which the units are separated by intervals greater than in close order.
Pace: Thirty inches; the length of the full step in quick time.
Point of rest: The point at which a formation begins. Specifically, the point toward which units are aligned in successive movements.