She grew up 'in the shadow of' her very popular sister. [=people did not notice her because of all the attention that was given to her sister]
He couldn't escape his father's 'shadow'. [=he couldn't escape the influence of his powerful/successful father]
a town located in the 'shadow' of the Rocky Mountains [=a town located very close to the Rocky Mountains]
(..) "He leadeth.... "He restoreth my soul. "He leadeth me in the paths of righteousness for His name's sake. "Yeah, though I walk through the valley of the shadow of death... "...l will fear no evil. "For Thou art with me. "Thy rod and Thy staff, they comfort me." Yankees! The Yankees! (..)1939 Gone with the Wind