If you were a reader of The American Jewess and saw the sign "Horn OK Please" would you understand the language it was printed in?
The American Jewess:  It was the first English-language periodical targeted to American Jewish women, covering an evocative range of topics that ranged from women's place in the synagogue to whether women should ride bicycles. Horn OK Please: Horn OK Please is a phrase commonly painted on commercial vehicles like trucks, buses or local taxis in India.
i don't know