8 ways to move on guitar...

1. Ascending horizontally up the string...
2. Descending horizontally down the string...
3. Vertical ascent from bottom E to top E...
4. Vertical descent from top E to bottom E...
5. Diagonally, from bottom left to top right, ascending...
6. Diagonally, from top right to bottom left, descending...
7. Diagonally, from bottom right to top left, ascending...
8. Diagonally, from top left to bottom right, descending...

3/14/19:

Insights regards structure of diagonals today:
1. Whole tone scale in ascending steps from bottom right to top left diagonal, and vice versa, 3 frets apart.
2. Diminished ascending steps from bottom left to top right, and vice versa, 4 frets apart, with a half step slide right.
3. Chromatic ascending scale in groups of 4 from bottom right to top left diagonal, and vice versa.
4. Chromatic ascending scale in groups of 5 (using a slide) from bottom left to top right, and vice versa.
5. Augmented ascending triads form ascending diagonals from bottom right to top left.
6. Guide tones 3 and b7 ascending diagonals from bottom left to top right.
7. Most ascending triads are formed bottom right to top left without changing positions.
8. Ascending triads MUST use slides and/or groups of five frets from the root to ascend bottom left to top right.