The Blockquotes Element is used for displaying large sections of quoted material, such as a paragraph from a book. This Element displays the contents differently than normal paragraphs, often by indenting the selection at both the left and right margins.
Blockquotes example:
HTML user agents may support other document types. In particular, they may support other formal public identifiers, or other document types altogether. They may support an internal declaration subset with supplemental entity, element, and other markup declarations.