Appellate jurisdiction – the term refers to the right of the appellate court to hear the claim against an issued decision. And to proclaim a valid decision on it that is provisory for the lower court. Including all parties who participated in the court case so far. The appellate court can reject the decision issued by the lower court, to proclaim it void, to amend it or to issue a completely new decision, after comparison of all proofs on the case.
Example: “County courts act as appellate jurisdictions for the decisions issued by District courts.”