breadcrumb

ある米国の電子機器メーカーのカタログに書かれていた宣伝文句です。

The PRS-330 utilizes a large state-of-the-art color capacitive touchscreen which provides super fast response time. Even in low or bright light conditions the display provides exceptional clarity with large fonts and easy-to-read menus.
Breadcrumbs always let you know where you are in the menu system.

機器の画面にパンくずが出てくるのは解せません。"Breadcrumbs" が分からないので辞書を見ました。

・Oxford English Dictionary: (also breadcrumb trail [countable]) a series of links displayed at the top of a web page, indicating the path to that page: Breadcrumbs are usually located at the top left of the page.
・Wiktionary: (graphical user interface, chiefly in the plural) A single link in a chain indicating the hierarchical location of a directory, web page or similar, used as a navigation aid.
・Dictionary.com: Usually breadcrumbs. Also called breadcrumb trail .Digital Technology. a sequence of text links on the current page of a website or web-based application, usually at the top, showing the page's location within a hierarchy of content or browsing history and providing a convenient navigational tool: Online shoppers can use breadcrumbs to see other products in the same category.

あの表示の事ですか、英語にはそれを示す単語があるのですね。　"breadcrumbs" を特に一つの単語で示す日本語を思い浮かばない。