<embed> |
The HTML <embed> Element represents an integration point for an external application or interactive content (in other words, a plug-in). |
<object> |
The HTML Embedded Object Element (<object>) represents an external resource, which can be treated as an image, a nested browsing context, or a resource to be handled by a plugin. |
<param> |
The HTML <param> Element (or HTML Parameter Element) defines parameters for <object> . |
<source> |
The HTML <source> element specifies multiple media resources for either the <picture> , the <audio> or the <video> element. It is an empty element. It is commonly used to serve the same media content in multiple formats supported by different browsers. |