Crossword clues for Be all that you can be, etc.:ETCCousin of 55-DownETCList truncatorETCWriter's list lopperETCAbbreviation for those too lazy to even write out the "etera" part, let alone the rest of the thingsETCSentence enderETCIt's used for shortening: Abbr.ETCList abbr.ETCThe last thing in listsETCCatchall list enderETCYada yada yada (abbr.)ETCCousin of et al.ETCPopular space-saving deviceETCYou get the idea, brieflyETCMore of the same lettersETCTo name a few, brieflyETCHandy abbr.ETCShortening shorteningETCList's last, oftenETCWriter's list shortenerETCBrief list shortenerETCList maker's abbreviationETCNonspecific abbr.ETCList closerETCList finisherETCAnd the restETCHidden theme of the puzzleETCList shortener (abbr.)ETCList shortening lettersETCMore of the same (abbr.)ETCWhat have you, brieflyETC[There are more, but we didn't list them] (abbr.)ETCThe latest thing in listsETCSList enders hidden in this puzzle's theme entriesETCAnd others (abbr.)ETCSeries finale, perhapsETCSSeries enders (abbr.)ETCMore of the same, brieflyETCList abbr. (and what's hidden in the answers to this puzzle's four starred clues)ETCList-limiting lettersETCEnd of an incomplete series (abbr.)ETCYadda, yadda, yadda, brieflyETCAnd the list goes onETCAnd so forth, brieflyETCAnd so forth, for shortETCElliptical endingETCTo name a few (abbr.)ETCMail Boxes ___ (package-handling chain)ETCAnd on and on...ETCList shortener, for shortETCInk saver of a sort