Elaborate on four functional zones of a city in relation to Rawalpindi

The four functional zones of a city in relation to Rawalpindi are;

The industrial zoneThe recreational zoneThe residential zoneThe central business district or retail areas.What are functional zones in a city.

Functional zoning or functional city zoning is a technique characterized by the classification of land use by its function.

Therefore, in relation to Rawalpindi;

The industrial zone refers to the part of the city land in which industries are located as industries are one of the functional fractions of a city.The recreational zones as the name implies include zones of recreational activities like stadiums, beaches and so on are located.The residential zones are those part of the land where houses for shelter are built and usually are situated in biologically conducive areas.The central business district or retail areas refers to parts of the city where small and medium-sized businesses thrive and make a living.

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Cause of he different elevations  hope this ?