OK
From the Simple English Wikipedia, the free encyclopedia that anyone can change
OK is a word in the English language. It is used to mean that something is good or correct.
It can often be used instead of the word Yes.
It is also the two-letter abbreviation for the state of Oklahoma in the United States of America.
It is not certain where the word "OK" originally comes from, but some experts say it came from a funny way of writing "Ol Korrect" (All correct).
You also find the phrase "Ola kala" in Greek, which means something like "Everything fine" and it could stem from Ancient Greek.
Some people think that the word comes from the war. When no soldiers have been killed, they used 0 Killed (OK)
