▁ ▁Priv ately , ▁these ▁gard ens ▁are ▁often ▁pool - cent red ▁and , ▁again , ▁struct ural . ▁The ▁pool ▁serves ▁as ▁a ▁focus ▁and ▁source ▁of ▁hum id ity ▁for ▁the ▁surrounding ▁atmosphere . ▁There ▁are ▁few ▁plants , ▁often ▁due ▁to ▁the ▁limited ▁water ▁available ▁in ▁urban ▁areas . ▁ ▁Me id ā n ▁This ▁is ▁a ▁public , ▁formal ▁garden ▁that ▁puts ▁more ▁emphas is ▁on ▁the ▁bi otic ▁element ▁than ▁the ▁hay ā t ▁and ▁that ▁minim ises ▁structure . ▁Pl ants ▁range ▁from ▁trees , ▁to ▁shr ubs , ▁to ▁bed ding ▁plants , ▁to ▁grass es . ▁Again , ▁there ▁are ▁elements ▁such ▁as ▁a ▁pool ▁and ▁gra vel ▁path ways ▁which ▁divide ▁the ▁la wn . ▁When ▁structures ▁are ▁used , ▁they ▁are ▁often ▁built , ▁as ▁in ▁the ▁case ▁of ▁pav il ions , ▁to ▁provide ▁sh ade . ▁ ▁Ch ah ar ▁B ā gh ▁ ▁These ▁gard ens ▁are ▁private ▁and ▁formal . ▁The ▁basic ▁structure ▁consists ▁of ▁four ▁quadr ants ▁divided ▁by ▁water ways ▁or ▁path ways . ▁Trad itionally , ▁the ▁rich ▁used ▁such ▁gard ens ▁in ▁work - related ▁functions ▁( such ▁as ▁entertain ing ▁amb ass adors ). ▁These ▁gard ens ▁balance ▁structure ▁with ▁green ery , ▁with ▁the ▁plants ▁often ▁around ▁the ▁peri ph ery ▁of ▁a ▁pool ▁and ▁path ▁based ▁structure . ▁ ▁Park ▁Much ▁like ▁many ▁other ▁par ks , ▁the ▁Pers ian ▁park ▁serves ▁a ▁cas ual ▁public ▁function ▁with ▁emphas is ▁on