Definitions for "External image"
Keywords:  hyperlink, inline, webpage, isn't, link
Image that is not contained within a Web page. A link for an external image has to be activated before that image can be downloaded.
An image that isn't displayed when a webpage loads (like an inline image) but is accessed by a hyperlink from the page. An external image is usually very large which is why it is displayed on a separate page.
Images not in the Web document, but connected by a link.