Can someone explain me how to "read" aspects?

Can someone explain me how to "read" aspects? - Laughing multiracial female colleagues wearing uniform flipping pages of papers while discussing work together

What is purpose of numbers besides of aspects? (see red rectangle)

cultist-simulator

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Can someone explain me how to "read" aspects? - Focused students doing homework at home

Can someone explain me how to "read" aspects? - Elder sister and brother studying at home

Can someone explain me how to "read" aspects? - Smiling multiracial classmates turning pages of file on folder with homework task near university

how to read ASPECTS IN ASTROLOGY for beginners.

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Images: Gary Barnes, Andrea Piacquadio, Andrea Piacquadio, Armin Rimoldi