Short for delimiter; a symbol or character used in computing to mark the boundaries between separate pieces of data or text.
Modern computing abbreviation of 'delimiter,' which comes from de- (mark) + limit + -er (agent noun). Emerged in programming and data processing contexts in the late 20th century as technical shorthand.
In computer science, delims are invisible traffic directors—a comma in a CSV file, a space between words, or a tab character are all delims telling the computer 'hey, here's where one piece of data ends and another begins.'
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