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.
adj. 1. a. Of or relating to longitude or length: a longitudinal reckoning by the navigator; made longitudinal measurements of the hull. b. Concerned with the development of persons or groups over time: a longitudinal study of twins. 2. Placed or running lengthwise: longitudinal stripes.