Right, right, you're 100% correct. To further explain, in most financial jargon, one often call an index by its (historically) most traded tracking fund. That

Right, right, you're 100% correct. To further explain, in most financial jargon, one often call an index by its (historically) most traded tracking fund. That is, the NASDAQ 100 is often called the QQQ, the S&P 500 is often called "spider" (SPDR), etc. But you're 100% right, in a comment about vocabulary, jargon has no place.