Concerned with…

astrocelestial:

Concerned with [sign] …

Aries: competition, oneself, assertion
Taurus: material security, comfort, sensual pleasure
Gemini: communication, learning, their mind
Cancer: feelings, home, emotionality
Leo: joy, dignity, acknowledgment
Virgo: helpfulness, self-improvement, duty
Libra: harmony, people, balance
Scorpio: intimacy, mortality, power
Sagittarius: meaning, ethics, truth
Capricorn: work, status, tradition
Aquarius: individuality, awareness, liberation
Pisces: altruism, empathy, devotion

… because it affects their [planet].

Sun: ego
Moon: emotions
Mercury: thinking
Venus: relationships with others
Mars: self-assertion
Jupiter: aspirations
Saturn: commitment
Uranus: freedom
Neptune: imagination
Pluto: transformations