It’s the visual spacing between letters, which usually involves some letters that have curves or corners to actually not strictly follow the spacing. For example the legs of the letter A might stick out a tiny bit in certain fonts. This gives text a more visually balanced kerning.

That’s the joke my friend…

Newborn giraffes fall from the uturus 2 meters high.

Step zero is hypothesis. Then you fuck around.

I can’t remember which one it was. Maybe Munich?

Some airports have no place to refill and have only hot water in the toilet sinks. It’s inhumane.

The main reason that rule still exists is to sell overpriced water. Otherwise they could just ask you to drink some of it to prove it’s water.