The most common definition of free cash flow is that it's the amount of money left over, excess unencumbered. If you want to get a little more robust, ok, if you have an anquisitive company, capote is not inquisitive. Let's say it made acquisition every single year. In that case, you would have to consider the amount it spends on acquisitions as a capital expenditure because its spending that money on acquisitions year in and year out. Free cash flow is what drives intrinsic value growth. And there free cash Flow is what drives compounding, which is what we are all looking for in our investments.