The clue is a pattern of letters, and only one word fits it. Find that word. (unfinished)
A letter in the pattern is itself. A blank (_) is any one letter. Three dots (...) are any letters, or none. A range ([g-i]) is one letter from g to i. A number in brackets, as in (11), is the word's length. (unfinished)
A word that fits but isn't the answer is not in the word list the pattern was made against: the one word that fits is an everyday one. (unfinished)
Hint gives the word's length first, then a letter at a time. Or tap a blank or a range, then its small Hint, for that letter alone. (unfinished)