The (ICN or ICNafp) the set of rules and recommendations dealing with the formal botanical names that are given to plants, fungi and a few other groups of organisms, all those "traditionally treated as algae, fungi, or plants"..

a system of codes for unambiguously representing measurement units.

This is a summary of the use of Morse code to represent alphabets other than Latin.

The International Code for Ships Operating in Polar Waters or Polar Code is an international regime adopted by the International Maritime Organization in 2014.