What is the meaning of Breadcrumb?

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

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

A fragment of data that serves to log the actions taken by a program, used in debugging.

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

To sprinkle breadcrumbs on to food, normally before cooking.

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

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

Source: wiktionary.org

See also