# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
The window refers to the inline frame (Inline Frame) created in the web page through the tag. It allows an independent HTML document to be embedded into the current web page and displayed in the web page, just like creating a small window in the web page.
By using the tag, you can display other web pages, embed third-party content (such as videos, maps, etc.) or display external resources in the web page. This inline frame can have independent scroll bars and borders, and its content is relatively independent and will not be affected by the styles and scripts of external web pages.
Use the window to achieve some functions, such as embedding maps from map service providers, displaying videos, integrating third-party applications, etc. However, it should be noted that the use of may have some impact on web page performance and security, so it needs to be used with caution and ensure that the source of the content is trustworthy and safe.
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