distinctive features, peculiarities
Chaque région de l'espace a ses propres particularités.
Each region of space has its own unique characteristics.
— Star Trek: The Next Generation - All Good Things... (2014)
Chaque langue a ses particularités.
Each language has its own particularities.
Le temps ici a ses propres particularités uniques.
The weather here has its own unique peculiarities.