1) Bit of a fairy tale trail 2) Crumb 3) Crumb of bread 4) Tidbit for a bird 5) Tidbit for a bird feeder 6) User interface technique 1) Ort 
[navigation] The graphical control element Breadcrumbs or breadcrumb trail is a navigation aid used in user interfaces. It allows users to keep track of their locations within programs or documents. The term comes from the trail of breadcrumbs left by Hansel and Gretel in the popular fairytale. == Usage == === Websites === Breadcrumbs typic...
A breadcrumb or breadcrumb trail is the part of the navigation that shows you where you are. Breadcrumb trails are often found near the top of Web pages and define both the current location within the site hierarchy as well as primary pages above the current page. 
[n] - crumb of bread
noun crumb of bread; used especially for coating or thickening
a crumb of bread, either dried or soft.