Encodings

Classification of objects of the administrative-territorial system of Ukraine (KOATUU) (Ukrainian: Класифікатор об'єктів адміністративно-територіального устрою України, КОАТУУ), is a national standardization system established by the State Committee of Ukraine for the Technical Regulations and Consumer Policy on October 31, 1997, #659, and went into effect on January 1, 1998.

A barcode is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode.

In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

QR code (abbreviated from Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed for the automotive industry in Japan.

SOS is the International Morse code distress signal (· · · – – – · · ·).

In audio engineering, electronics, physics, and many other fields, the color of noise refers to the power spectrum of a noise signal (a signal produced by a stochastic process).

A distress signal or distress call is an internationally recognized means for obtaining help.

G-code (also RS-274), which has many variants, is the common name for the most widely used numerical control (NC) programming language.

Planetary nomenclature, like terrestrial nomenclature, is a system of uniquely identifying features on the surface of a planet or natural satellite so that the features can be easily located, described, and discussed.

A spelling alphabet, voice procedure alphabet, radio alphabet, or telephone alphabet is a set of words used to stand for the letters of an alphabet in oral communication.

A ticker symbol or stock symbol is an abbreviation used to uniquely identify publicly traded shares of a particular stock on a particular stock market.

Facial Action Coding System (FACS) is a system to taxonomize human facial movements by their appearance on the face, based on a system originally developed by a Swedish anatomist named Carl-Herman Hjortsjö.

A police code is a numerical abbreviation for a crime, incident, or instructions for police officers.

A train horn is an air horn which serves as an audible warning device on diesel and electric locomotives.

Specific Area Message Encoding (SAME) is the protocol used to encode the Emergency Alert System (EAS) and NOAA Weather Radio (NWR) in the U.