What best defines a claim?

Best definition of claim is a statement or assertion that something is true, or a demand for something that is believed to be deserved, that requires evidence and reasoning to support and be accepted, serving as central argument in discussion. In academic and argumentative context, claim best defines as debatable statement that writer asserts as true and must support with evidence, reasons, and examples, not just personal opinion without support, for example claim that Milwaukee Packout is best tool box system is debatable assertion that needs criteria and evidence like durability and IP65 seal to be convincing. In insurance context, claim best defines as formal request for compensation for loss covered by policy, like storage unit fire claim for 5000 dollars. In legal context, claim best defines as assertion of legal right to remedy, like claim for unpaid wages. Core definition across contexts is claim is assertion of truth or right that is not self-evident and requires justification, whether proving that HEPA filtration removes particles or proving entitlement to refund. So best defines claim as statement that something is true or that you have right to something, which is arguable and must be supported by evidence, distinguishing it from fact that is proven or opinion that is personal preference without evidence, claim sits between, debatable but supportable, making it foundation of argument and basis for requesting action or belief.