HTML - Embedded Content

About

Embedded content is content that imports another resource into the document, or content from another vocabulary that is inserted into the document.

Articles Related

Elements

HTML Namespace

HTML - Audio (Element|Stream)
HTML - Canvas Element: Example
HTML - Embed Element (Plugin Integration point)
HTML - Iframe Element (nested browsing context) (inline frame)
HTML - Image (Img tag)
HTML - Math Element
HTML - Object Element (External Content)
HTML - How to render SVG in HTML
HTML - Video Element (Movie)

Other Namespace

Elements that are from namespaces other than the HTML namespace and that convey content but not metadata, are embedded content. For example, MathML, or SVG