Who can give a concise explanation of what HTML5 is? -

It's not in the web development industry. I just want to know about it. Searching for this topic is simply something that mess urgently needs experts and insights. It's not in the web development industry. I just want to know about it, I searched this topic.
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Experts are in urgent need of brilliant insights to get into the door and reply to the content: the trend is like the wind, the life is late, the life is fast, and the Go is fast...

In simple terms, html5 defines pseudo-Standards for native multimedia technologies such as video, audio, canvas, and webgl, so that some inexplicable things can be made on the webpage without flash plug-ins.

This wind was so violent that the great zackbock was blown to the sky-he was even a Web page...

No. HTML is a pile of text/symbols/code sent by the server to the browser (it may be garbled for you ).
The browser will "Draw" these words into the web page you see.
5 is a version number, but historical HTML versions cannot be described by linear progress ~ The revolutionary version, so far, has made great efforts by major manufacturers to meet the compatibility standard, which aims to meet the increasing demand for multimedia interaction on the Internet, but also to pursue efficient transmission and editable documents, comprehensibility and scalability.

In simple terms, it's hard for the browsers to help you. You only need to call the browser interface to view images, play videos, and obtain information, this is true for both developers and users. Later versions of html4. IPhone 4 is a mobile phone, iPhone 5 is a mobile phone, and iPhone 6 is also a mobile phone. Only one version. To further enhance the mobile phone function!
The same is true for HTML .. The same is true for HTML5 .. Hypertext Markup Language 5