Permission granted to a ship to use a port after quarantine, or on showing a clean bill of health; a licence, letter, etc., granting this. Now also applied to aircraft. Also fig.
“pratique, n.” OED Online. Oxford University Press, December 2016. Web. 22 January 2017.

There is a limit to how much background you can use. I tried to see if I could simply layer a bunch of material together, but it came out terrible. I brought it back to a single material and a few raster layers on top.

I can’t draw when people are around or talking. Not sure if this is normal. Basically, the only way I can get anything done is to simply ignore everyone.