[Non-GAAP Earnings](https://www.wallstreetprep.com/knowledge/non-gaap-earnings/) [Warren Buffett on EBITDA](https://www.wallstreetprep.com/knowledge/warren-buffett-ebitda/) [Operating Cash Flow (OCF)](https://www.wallstreetprep.com/knowledge/operating-cash-flow-ocf/) [Capital Structure](https://www.wallstreetprep.com/knowledge/capital-structure/) [Capital Expenditures (Capex)](https://www.wallstreetprep.com/knowledge/capex-maintenance-growth/) [Change in Net Working Capital (NWC)](https://www.wallstreetprep.com/knowledge/change-in-net-working-capital-nwc/)