The "Diminished Scale" is a symmetrical scale with a repeating pattern of whole steps and half steps. You only need three Diminished scales to cover all 15 keys.

The "Whole Tone scale" is a symmetrical scale with an equal distance been each note or scale degree.

Just what is "Up, Down, Ascending, Descending, Higher, Lower, Top, Bottom" as related to music?

An "Introduction to Scales and Soloing on Ukulele" using the C Pentatonic Scale. Taking what you might already know and using it in different ways. Exploring the entire ukulele fingerboard have hours of fun just doodling around and exploring the ukulele's possibilities.

Most players struggle with learning the names of the notes of the ukulele fingerboard. There doesn't seem to a pattern and notes repeat. There is an easy way and "it's easier that you think." Most players know the names of the open strings for their favorite tuning.