📒 a system of words, letters, numbers or symbols that represent a message or record information secretly or in a shorter form
📒 the numbers that are used for a particular town, area or country, in front of an individual phone number
📒 a system of computer programming instructions
📒 a set of moral principles or rules of behaviour that are generally accepted by society or a social group
📒 a system of laws or written rules that state how people in an institution or a country should behave