The breadcrumbs on sites show the location where you are and the places through which you passed. It shows the hierarchy of the site and makes it easier to find relevant pages.
The breadcrumbs will help you improve the indexing of internal pages of your site. Google will begin to include direct links in search results. People will receive additional links to search results. That will increase attendance at your site and increase your customers.
How to describe the elements in the breadcrumb?
In order for Google to read and properly understand the elements of the breadcrumb, you should describe them by microforms. Start from the first element that will indicate homepage. Each subsequent element will be the parent of the current page. The code should look like this: