What does the term 'immutable' describe?

The term 'immutable' describes something that is not subject to change. In various contexts, it is used to denote the permanence or unalterability of a certain quality or entity. For example, in computer science, immutable data cannot be modified after it is created, ensuring consistency and reliability in data handling. By describing something as immutable, it emphasizes a state of being fixed or established, which contrasts with the idea of being changeable or variable. This sense of stability is what makes the choice reflecting the absence of change the most accurate understanding of the term.