1) All-purpose conjunction 2) All-purpose connector 3) Alternative phrase 4) Alternative words 5) Ambivalent conjunction 6) Business letter term 7) Catchall combo 8) Catchall conjunction 9) Choice of conjunctions 10) Choice words 11) Combination conjunction 12) Combo conjunction 13) Communicative catchall Found on https://www.crosswordclues.com/clue/andor