What does it mean to be financially responsible? It's a complex question with a complex answer, but at its core is a simple truth: To be financially responsible, you need to live within your means. And to live within your means, you must spend less than you make.
longitudinal axis. A straight line running fore and aft through the center of gravity. It is horizontal when the airplane is in the rigging position. The aircraft rolls about this axis. See axes.
axis1. 1  the line about which a rotating body, such as the earth, turns. 2  Mathematics. a central line that bisects a two-dimensional body or figure. a line about which a three-dimensional body or figure is symmetrical. 3  Anatomy. a central or principal structure, about which something turns or is arranged: the skeletal axis. the second cervical vertebra.