What does "onus" refer to?

The term "onus" refers to a burden or responsibility, which is central to understanding its usage in various contexts. In legal, academic, or general scenarios, the term is often used to describe the obligation or duty placed on an individual or group to act or prove something. For example, when it is stated that "the onus is on the defendant to prove their innocence," it highlights the responsibility that the defendant carries in a legal proceeding. Understanding this term is crucial, especially in discussions around accountability, duty of care, and the expectations placed on individuals or organizations in different sectors. This concept of responsibility is distinctive and clearly defines the nature of obligations one must fulfill in various situations.