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.
Definition of axis for English Language Learners. : 1  the imaginary straight line that something (such as the Earth) turns around. : 2  a straight line that divides a shape evenly into two parts.