This phrase doubtless refers to a crossword clue the place the reply is a phrase or phrase signifying a week-long journey by air. A typical instance may be a clue like “Journey by aircraft for every week” with the reply being “SEVEN-DAY FLIGHT” or an identical development. The clue’s problem would depend upon the encircling clues and the general complexity of the puzzle.
Such clues mix common information with wordplay, partaking solvers to suppose each actually and laterally. The usage of a selected time-frame, like seven days, provides a layer of complexity, requiring solvers to contemplate phrases or phrases associated to period inside the context of air journey. This sort of clue could be significantly difficult in cryptic crosswords the place the clue could comprise puns, anagrams, or different wordplay components. In the end, efficiently fixing such clues contributes to the pleasurable psychological train that crosswords present.