What is a breadcrumb?

Breadcrumbs or breadcrumb trail is a type of navigation used on websites or user interfaces allowing users to keep track of their location on the site and easily navigate backwards if need be.  The term comes from the trail of breadcrumbs left by Hansel and Gretel in the fairytale to find their way back home. 

Breadcrumb navigation be a great asset for users, especially with websites that have a lot of pages. 

Example: 

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