Vis-à-vis in English most commonly means "with regard to" or "in relation to". (The earliest known use of the phrase in English dates from 1751, at which time it already meant three things depending...
I can at least tell you the VI is the standard editor used on a lot of Unix platforms. However, it is so clunky that the joke is the name is an abbreviation for "Virtually Impossible".
Vi has a...