Breadcrumb
Noun · Hacker Culture
Definitions
A navigational element that shows where a user is within a hierarchy and how to move back through parent pages or sections. In design and debugging culture, breadcrumbs also sometimes refer to small clues left through logs or UI hints.
In plain English: A navigation trail that shows where you are in a hierarchy.
Example: "The docs site added a breadcrumb trail so users landing deep in the hierarchy could still understand how the page fit into the larger structure."