Slang, language or metalanguage? On the fleetingness of words. Slang, język czy metajęzyk? O przemijalności słów

If we take a look at the contemporary urban design in the foreground there are the concepts of sustainability and participation. The first requires understanding of environmental needs, the second – the needs of people. An intrument needed is language – a language of the project. So urban planning is all about communication. The article faces the problem of design processes moving from abstraction to reality through the fleetingness of a constantly changing language.