In music, the "Key" of a song or symphony provides its emotional, spiritual "flavor" or feeling. The "Keynote" is the same for us. It is like the musical "key" of our life, but in this case it is not a musical key, but a kabbalistic one.
So, each of those factors reveal certain tendencies or subtle structures in our present life.
“Nothing is easier than self-deceit. For what each man wishes, that he also believes.” —Demosthenes
"Do not worry; cultivate the habit of being happy." —Samael Aun Weor