Meanings

to keep in contact (e.g. by phone, mail, etc.)

Mandelbrot set

United Nations Secretary-General

competing companies

adhesion (e.g. of lipstick)

publication of two or more different books together as one

ratio indicating the quantity of polished rice gained from a given quantity of brown rice (nowadays usually expressed as a percent)

convenient

character set

system conformance test report

set of fill area sets with data

alphanumeric character set

alphabetic character set

baggage claim tag (at hotels, stations, etc.)

reference quantity set

CAP

syntax-reference character set

complete generator set

constraint set

numeric character set