What is it with WD-40?

I can decode WD-40 for you;

W - Water

D- Dissipater

40 - 40th formula tested.

It is great for removing water from electronics or recently washed old parts.

It can also be used for removing magic marker graffiti.

It is great to have on hand, very useful.

But it was not made to be a lubricant.
You forgot , it`s 60% kerosene too .