4👑☸ Cattāri Ariya-saccaṃ 四聖諦
4👑☸ → §1. Dukkha 💩
§1. Pain-(&-Suffering) 苦
SN 56.11 : saṃkhittena pañc-upādānak-khandhā dukkhā.
In-short, (the) five-clinging-aggregates (are) suffering.
1. Rūpa (form)
2. Vedana (feelings/experienced-sensations)
3. Sañña (perceptions)
4. Saṅ-khārā (co-activities)
5. Viññāṇa (consciousness)
more details on Dukkha here:
only 1 way 4.1 Dukkha 💩: Pain-(&-Suffering) 苦