An explanation of each field is displayed when you mouse over each field.

Here are some additional details:

• Quarter volume/ yesterday volume/yesterday user PnL: all three exclude mock contracts, and only count USDⓈ-margined futures contracts;
• 7DAU: the number of traders within 7 days, including all contracts;
• 24H Liquidation: The sum of {Liquidation Quantity * Takeover Price * Size} of the most recent 24H liquidated positions;
• BTC Open Interest: the sum of BTCUSDT being held {Number of Positions * Size}.