What do the numbers mean?

[PoisonedMC]

The question is simple-
what do the numbers in [VL#3] [BedWars] Client modification (001) mean?
Most people (Prime example: me) don't know about these.
If you do know the meaning behind these, do answer.

 

[SabitTSDM07]

VL#1 and VL#2 are kicks
VL#3 and VL#4 are bans

 

[PoisonedMC]

VL#1 and VL#2 are kicks
VL#3 and VL#4 are bans

and the 001's and all?

 

[Yuu]

and the 001's and all?

I dont know exactly but here are as much as I know

The most common ones are


Also 010 is scaffold