A partile aspect is exact to within a single degree — the two points sit in the same degree number. It is the tightest classification in traditional practice, and the strongest. Anything wider is platic, which is every other aspect in most charts.
A partile transit is the one that reads unmistakably rather than as background colour, and it is usually the contact a day is remembered for.
the contact at close to full strength.
Mars at 14° Leo square a natal Sun at 14° Scorpio is partile; at 11° it is merely tight.
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