Cracking The Code: Unveiling the Answer to ‘Understood,’ once

The answer to the crossword question “‘Understood,’ once is IDIG” is a play on words and a reference to slang terminology. The word “IDIG” is a shortened version of the phrase “I dig,” which means “I understand” or “I agree.” The use of “once” in the clue implies that this slang term may have been popular or commonly used in the past but may not be as prevalent in present-day language. Therefore, the answer to the crossword question is “IDIG,” or “I understand.”