Casual Dress Code emphasizes comfort and personal expression over presentation and uniformity.
Smart casual (as distinct from business casual), or smaž, is a loosely defined dress code, casual, yet "smart" enough to conform to the particular standards of certain Western social groupsAs "smart casual" is not formally defined, the lines between it and the other casual styles (see Dress code (Western)) are often blurred. For example, some may use the term Smart casual to refer to Business casual.
Business casual dress, also "smart casual", is a popular work place dress code that emerged in white-collar workplaces in Western countries in the 1990s, especially in the United States. Many information technology businesses in Silicon Valley were early adopters of this dress code. In contrast to formal business wear such as suits and neckties (the international standard business attire),
the business casual dress code has no generally-accepted definition;
its interpretation differs widely among organizations and is often a
cause of sartorial confusion among workers.
Other related sites: casualdresscode, overskilled, howtopaint, howtodance, neet, friendlooking...