Read the following extract from a review and explain the underlined terms :Stewart's love interest is drop-dead beauty, Kim Novak, who's sensual presence in this film is above and beyond any fleeting standards of fashion and beauty that may have prevailed in the 1950s. She was reportedly Hitchcock's second choice for the role, and the director was unhappy with her performance, but now she appears to fit into the film like a perfect jigsaw puzzle piece of a perfect picture - almost as if no one else could have played the role.