“Legal oversight” is the definition. Although the answer and definition are singular nouns, I don`t understand how one could define the other.` John Henry in Bar` is the pun.`John` becomes `loo` (both can mean a toilet). Henry` becomes `H` (symbol of the unit of electrical inductance). “in` means that many letters go to another.`bar` becomes `pole` (). H` to go inside the `pole` is `phole`. loo`+`phole`=`LOOPHOLE““provide` is the link. “Game” is the definition. Although the answer and definition are singular nouns, I don`t understand how one could define the other. I don`t understand how the rest of the index works.