In French the word neuf means both nine and new. In German, the words for nine and new are neun and neu, and in Spanish, nueve and nuevo. As you count and reach nine, you know you are about to make a new start. 9 is composed of the all-powerful 3x3. Buddhist tradition holds nine to be the supreme spiritual power, and a celestial number. It is 3x3 being the most auspicious of all the numbers.
Completion; fulfillment; attainment; beginning and the end; the whole number; a celestial and angelic number.
The Humanities and STEM skills models each have 9 skills. 3x3 is the most auspicious of all the numbers.