Minimum use of microdata
WebPage
A web page. Every web page is implicitly assumed to be declared to be of type WebPage, so the various properties about that webpage, such as breadcrumb may be used.
Brand
A brand is a name used by an organization or business person for labeling a product, product group, or similar.
BreadcrumbList
A BreadcrumbList is an ItemList consisting of a chain of linked Web pages, typically described using at least their URL and their name, and typically ending with the current page.
BlogPosting
A blog post.
Article
An article, such as a news article or piece of investigative report. Newspapers and magazines have articles of many different types and this is intended to cover them all.
Service
A service provided by an organization, e.g. delivery service, print services, etc.