To visit briefly
To ask to do something
Please call on the US government to release all detainees.
"We could call on our way back home, half way to New York," she answered.
Perhaps I'll call on this gentleman and ask him as I dally in Ohio.
I came to call on Mr. Abbott and had carefully shut off his power and was ready to visit when what do I see but he has company.
Then, low and behold, another visitor arrives to call on the popular gentleman!