Could someone please explain to me what are the "Depth", "ID", and "Time" columns on level 2, and if I can remove them from my Level 2 window (please see the circles in the photo). I suppose "ID" is the exchange (not sure why it doesn't show anything on ES future contracts), and I am guessing "time" is the time the limit order was placed. Have no idea about "depth" because they are all 1x1.

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