For example, our frontside combinations are, very straightforward and easy to learn. We teach the "code" - the language we speak -- and then we teach the route numbers, and voila! - the whole frontside system is assimilated. Of course there is the need for technique teaching and repetition, but the actual assignments are taught. On the backside, we give them rules, and the sequencing of variations, down to the illustrations, helps facilitate learning.
Below, another contraction tag is added: DOT, which stands for DRAG with an OUTSIDE 2.