(I got there) okay!: (I arrived) fine, without a problem!
(-Can you pass me the water?) -OK!: (-Can you give me the water?) -Yes! Sure! Of course!
OK, (let's see if it works now): Right, (let's see if it works now)
(-What is he like?) -He's okay: (-What is he like?) -He is fine, reasonable, not bad
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