formal
if is an expression, while iff is a function often with multiple choices.
Fuctional and formal
formal
difference between formal organization structure and informal organization structure.
Aral sea in Kazakhstan is a formal functional region
There are 3 types of regions. They are: Formal, Functional and Perceptual.
formal and informal rhythm
There is no formal slang. Slang is informal language.
Formal is polite, informal is rude and obnoxious.
perceptual - the pretty part of nothern Germany functional- the Berlin urban area formal-Germany
The slums of Detroit can be considered a functional region because they share a common function or characteristic, which in this case is the presence of impoverished living conditions and lack of resources. The boundaries of this area are not formally defined but are based on the commonality of living conditions within it.