Eg. Variation: 9.91% (MC 18.00% VN 0.02%) 464 playouts

Can anyone help me understand what they mean?

My understanding:

Variation - Current win rate

MC - Monte Carlo ??

VN - Virtual Network ???

Playouts - Number of sequences tried for the position?

I find it interesting how the number of sequences tried is not proportionate to the stage of the game, i.e. lesser playouts as less moves on the board. My playouts can jump up and down wildly throughout the game pretty much every move. Unless of course my interpretation is wrong.

Also anyone know if the actual Leela program gives out analysis after every few moves or so or one must manually click the analyse function every move.