What is "#" column?

[CapeData]

What does the "#" column represent in the Messages tab of the Status window?

I feel a "face palm" moment coming on

 

[Nanookofthenorth]

# . . . as in "number" (quantity) of events. Now go hang your head in shame.

 

[CapeData]

# . . . as in "number" (quantity) of events. Now go hang your head in shame.

I still need some clarification before I go sit in the corner -

So, IIUC, in the screen capture below, the 7 anonymous connections had two events, each, and cam7 had eleven events. What comprises an event?