The term 'JACK, E.G.' is a reference to the playing CARD Jack, which is also known as a Knave or a Knave of Hearts. The crossword solutions for this term are CARD (4 letters), HOIST (5 letters), CHEESE (6 letters), and FACECARD (8 letters). CARD is a reference to the playing CARD itself, HOIST is a reference to the act of lifting something with a rope or pulley, CHEESE is a reference to the phrase 'Jack of all trades, master of none, ' and FACECARD is a reference to the face of the CARD, which typically features a picture of a Jack.