What is the meaning of Finality?

The state of being final; the condition from which no further changes occur.

Otto Jespersen (1909), A Modern English Grammar on Historical Principles (Sammlung germanischer Elementar- und Handbücher; 9), volume I: Sounds and Spellings, London: George Allen & Unwin, published 1961, § 4.86, page 145.

Source: wiktionary.org