A concentration is like a major â it allows you to specialize in an area of your choice. All Wharton students graduate with a bachelor of science in economics, but students choose focused areas of study called concentrations. 21+ Wharton concentrations, including an individualized option.
POTUS is the acronym for President of the United States. It is only used for the sitting President, so now refers to Pres. Trump. Probably used within the White House and Security Service for decades, it was explained and popularized on the show The West Wing. Note: This question initially asked why Pres.
Potch is a term used to describe common opal found on the opal fields. It is generally opaque and can be milky white, pale to dark grey, bluish grey, or black. Magpie potch is made up of black and white patches. A clear amber variety of potch has been found at Lightning Ridge.