Crossword clues for What this puzzle is. 4 lettersAnswerClueMETAPuzzle-within-a-puzzle puzzleMETAPuzzle within a puzzleFOURNumber of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)METAPuzzle that unites several other puzzlesWHATKey to this puzzle's theme, in EnglishNIKEApt company for this puzzle?HOMOWith 47-Down, component of each long puzzle answerFIDOPet targeted by the first words of this puzzle's four longest answersALTOVoice type that figures into this puzzle's themeFITSWhat this puzzle might be giving youHINTPuzzle helpTRIOThis puzzle's themeEROSLove found in nine other puzzle answersEENTMed. specialty suitable for this puzzleDISHRhyme runaway, and how this puzzle's theme answers are formed?ETTUFamous last words (and homophonically, a hint to this puzzle's theme)ERNOPuzzle cube inventor RubikCRABWord that unites this puzzle's theme entriesNERFSoft stuff found in this puzzle's four longest Across entriesZEESPuzzle pieces?NERDThe Cross ___ (puzzle website run by Peter Broda)NERDThe Cross ___ (Peter Broda's puzzle blog)AMORApt subject for today that's hidden in this puzzle's four longest answersTLDRShort recap of the starred entries, in case you didn't feel like solving the whole puzzlePADS(Puzzle by R.J. Hartman) Hippie homesDDAYDecisive event celebrated in this puzzleABBROft-seen puzzle clue lettersJAILSynonyms for it appear in the four longest puzzle answersTESTSurprise quiz found in the eight longest puzzle answersCARS2006 Disney film, and the ends of the eight longest entries in this puzzleZEESHeart of a puzzlePENSTools for confident puzzle solversLANEStrike zone, in bowling and in this puzzle's theme?ASPSVenomous snakes lurking in each of the four longest puzzle answersGRIDPuzzle patternEASYCrossword puzzle ratingMERL___ Reagle, puzzle maven who guested on "The Simpsons"PESODough found in this puzzle's four longest answersSOCKBit of footwear that appears at both ends of this puzzle's theme answersZEDSPuzzle centre in Britain?HUNTPost ___ (annual puzzle competition run by the Washington Post)MENTSuffix with bewilder or puzzleMYSTPuzzle video game that I played as a child (I don't think I ever made it to the library, even)RIESPuzzle genius AndrewMAZEPuzzle with blind alleysMALIAfrican country that goes with this puzzle's themeTOPSHall of Fame pop group The Four __, and last of this puzzle theme's five anagramsWORKNine-to-five routine, and hint to this puzzle's themePONDNoted residence for this puzzle's subject, found in the "walled-in" letters in left-to-right orderSOMAPuzzle cube before Rubik's