▁Though ▁generally ▁recognized ▁as ▁several ▁' separ ate ' ▁o ce ans , ▁these ▁waters ▁compr ise ▁one ▁global , ▁inter connected ▁body ▁of ▁salt ▁water ▁often ▁referred ▁to ▁as ▁the ▁World ▁Ocean ▁or ▁global ▁ocean . ▁This ▁concept ▁of ▁a ▁global ▁ocean ▁as ▁a ▁continuous ▁body ▁of ▁water ▁with ▁relatively ▁free ▁inter change ▁among ▁its ▁parts ▁is ▁of ▁fundamental ▁importance ▁to ▁ocean ography . ▁ ▁The ▁major ▁ocean ic ▁divisions ▁are ▁defined ▁in ▁part ▁by ▁the ▁contin ents , ▁various ▁arch ip el ag os , ▁and ▁other ▁criteria : ▁these ▁divisions ▁are ▁( in ▁desc ending ▁order ▁of ▁size ) ▁the ▁Pacific ▁Ocean , ▁the ▁Atlantic ▁Ocean , ▁the ▁Indian ▁Ocean , ▁the ▁Southern ▁Ocean , ▁and ▁the ▁Ar ctic ▁Ocean . ▁Sm aller ▁regions ▁of ▁the ▁o ce ans ▁are ▁called ▁se as , ▁g ul fs , ▁b ays ▁and ▁other ▁names . ▁There ▁are ▁also ▁salt ▁la kes , ▁which ▁are ▁smaller ▁bodies ▁of ▁land locked ▁salt water ▁that ▁are ▁not ▁inter connected ▁with ▁the ▁World ▁Ocean . ▁Two ▁notable ▁examples ▁of ▁salt ▁la kes ▁are ▁the ▁Ar al ▁Sea ▁and ▁the ▁Great ▁Salt ▁Lake . ▁ ▁L akes ▁ ▁A ▁lake ▁( from ▁Latin ▁word ▁la cus ) ▁is ▁a ▁terrain ▁feature ▁( or ▁physical ▁feature ), ▁a ▁body ▁of ▁liquid ▁on ▁the ▁surface ▁of ▁a ▁world ▁that ▁is ▁local ized ▁to ▁the ▁bottom ▁of ▁bas in ▁( another ▁type ▁of ▁land form ▁or ▁terrain ▁feature ; ▁that ▁is , ▁it ▁is ▁not ▁global ) ▁and ▁moves