breadcrumb vs fragment

breadcrumb

noun
  • A single link in a chain indicating the hierarchical location of a directory, web page or similar, used as a navigation aid. 

  • One in a series of clues leading to a person or place. 

  • A tiny piece of bread, either one that falls from bread as it is cut or eaten, or one made deliberately by crumbling bread. 

verb
  • To add navigational breadcrumbs to (a web page or user interface). 

  • To use clues or enticements to lead someone in the desired direction. 

  • To sprinkle breadcrumbs on to food, normally before cooking. 

fragment

noun
  • A portion of a URL referring to a subordinate resource or anchor (such as a specific point on a web page), introduced by the # sign. 

  • An incomplete portion of code. 

  • A sentence not containing a subject or a predicate. 

  • A part broken off; a small, detached portion; an imperfect part, either physically or not 

verb
  • To break apart. 

  • To break up and disperse (a file) into non-contiguous areas of a disk. 

  • To cause to be broken into pieces. 

How often have the words breadcrumb and fragment occurred in a corpus of books? (source: Google Ngram Viewer )