Ground refers to the underlying reason, basis, or justification for holding a belief or making a claim. (ChatGPT)

Evidence refers to information, facts, or data that support a claim or belief. It is used to demonstrate or establish the truth of a proposition. (ChatGPT)

Belief is an attitude or mental state in which a person accepts something as true, real, or valid, even in the absence of definitive proof. (ChatGPT)

Claim is a statement that requires grounds or evidence.

Proposition is a statement that bears a truth value (true or false).

Assertion is a proposition that is always true.

Argument is a set of propositions divided into one or more premises and one and only one conclusion.

Assurance refers to grounds for justified confidence that a claim has been or will be achieved. (NIST SP 800-160v1r1 from ISO/IEC 15026-1:2019)