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Islamic period:
The period which started when the city and the society were
organized by Islamic law.
Islamic calendar
(al-tarikh al-hijri):
Islamic lunar calendar started from the date when the Prophet
Mohammed and his followers immigrated from Mecca to Medina in 1
AH (After
Hijrah)
or 13 September 622 AD refered to as 1/622 in
this study.
Local common tradition
(urf):
A vast domain which involves actions, creations, social norms,
human behavior, interpretations, meanings and values which have
been developed by each particular society through cumulative and
progressive processes.
Modern Period:
The contemporary period which started by replacing the
established traditional organization system and production modes
such as Islamic law and traditional urban design patterns with
new medels aften imported from the developed industrial countries
in Europe.
Irregular street
network:
A street network which has no common and regular dimensions or
courses.
Organic street environment:
A street environment which has not been achieved by a central
preconceived
plan
but
evolves
through
progressive
interpretations, actions and creations of the involved groups
over time.
Planned cities:
Cities which are built according to preconceived planning and
rules. Their street systems are straight and regular.