Plain English Meaning
The features that make a lesson actually work: it has a clear goal, the right amount of material for one sitting, a sensible order, room to adjust if the student struggles, and a way to check whether they got it.
Full Definition
The set of qualities that distinguish an effective flight or ground lesson plan, including a clear objective, logical organization of material, appropriate scope, planned use of instructional aids and methods, flexibility to adapt to the student's needs, and a defined means of evaluating learning. A well-planned lesson is unified around a single objective, fits the student's current ability level, and provides a structured path from introduction through to .