▁of ▁meaning ▁from ▁the ▁source ▁language ▁that ▁remain ▁coh er ent ▁in ▁the ▁target ▁context . ▁The ▁components ▁of ▁meaning ▁that ▁remain ▁coh er ent ▁in ▁the ▁target ▁context ▁retain ▁their ▁" basic ▁structure " ▁in ▁some ▁sense , ▁so ▁this ▁is ▁a ▁form ▁of ▁in var iance . ▁ ▁George ▁Lak off ▁and ▁Mark ▁Turner ▁origin ated ▁the ▁idea ▁under ▁the ▁name ▁in var iance ▁hypothesis , ▁later ▁revis ing ▁and ▁ren aming ▁it . ▁Lak off ▁( 1 9 9 3 : ▁ 2 1 5 ) ▁defines ▁the ▁in var iance ▁principle ▁as : ▁" Met ap hor ical ▁ma ppings ▁preserve ▁the ▁cogn itive ▁topology ▁( that ▁is , ▁the ▁image - schema ▁structure ) ▁of ▁the ▁source ▁domain , ▁in ▁a ▁way ▁consistent ▁with ▁the ▁inher ent ▁structure ▁of ▁the ▁target ▁domain ". ▁ ▁See ▁also ▁▁ ▁Figure ▁of ▁speech ▁ ▁Met onym y ▁ ▁Tro pe ▁( ling u istics ) ▁ ▁Notes ▁and ▁references ▁ ▁Bibli ography ▁▁▁ ▁Barcelona , ▁Antonio ▁( 2 0 0 3 ). ▁Met ap hor ▁and ▁met onym y ▁at ▁the ▁cross ro ads : ▁a ▁cogn itive ▁perspective . ▁Second ▁edition . ▁Walter ▁de ▁Gru yter . ▁▁ ▁Gl uck s berg , ▁Sam ▁and ▁Matthew ▁S . ▁McG l one ▁( 1 9 9 9 ). ▁" When ▁love ▁is ▁not ▁a ▁journey : ▁What ▁met aph ors ▁mean ". ▁Journal ▁of ▁Prag mat ics ▁ 3 1 : ▁ 1 5 4 1 – 1 5 5 8