Anicca is commonly translated as "impermanence". But it is a fundamental concept in Buddha Dhamma, which has many related -- but somewhat different -- meanings. Some are discussed in the following posts:
- Anicca – Inability to Keep What We Like
- Anicca – Repeated Arising/Destruction
- Anicca – Worthlessness of Worldly Things
- Anicca – The Incessant Distress (“Pīḷana”)
- Anicca, Dukkha, Anatta – According to Some Key Suttas
Three Marks of Existence – English Discourses