OK - Wikipedia
https://en.wikipedia.org/wiki/OK
WebOK ( / ˌoʊˈkeɪ / ⓘ; spelling variations include okay, O.K., ok and Ok) is an English word (originating in American English) denoting approval, acceptance, agreement, assent, acknowledgment, or a sign of indifference. OK is frequently used as a …
DA: 55 PA: 46 MOZ Rank: 8