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.
Noun. 1. axis-a straight line through a body or figure that satisfies certain conditions. coordinate axis-one of the fixed reference lines of a coordinate system. major axis-the longest axis of an ellipse or ellipsoid; passes through the two foci. semimajor axis-one-half the major axis of an ellipse; the distance from the center of an ellipse to one end.