the.com/exclusion

The art of drawing a circle and making sure you're not standing in it.

means The act of shutting someone or something out, leaving it outside a boundary, group, or consideration.

from From Latin excludere — ex- 'out' plus claudere 'to shut, close' (the same claudere that gives us 'close' and 'clause'). So exclusion is literally a 'shutting out,' the same root that bolted doors and sealed city gates now quietly bars people from guest lists and boardrooms.

legal term
Also means ruling out a possibility, not just people
psychology
Brain registers social exclusion like physical pain
insurance
The fine print where coverage goes to die
math logic
Mutual exclusion means two events can never coincide
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