Wipe, in a computing context, means  to render all data on a hard drive unreadable. The term is often used in reference to making data stored on a computer, smartphone or tablet inaccessible before disposing of the device.
A semantic HTML tag is one that defines a meaning to the enclosed content that a computer can be programmed to understand. In most cases, browsers create some visual difference to content in semantic tags, for example, content in the CODE element is usually displayed in a monospaced font. But this is not a requirement. Many people feel that semantic HTML elements are a waste of bandwidth.
March 31, 2015. HTML stands for hypertext markup language, the language used to produce documents for the World Wide Web. Using tags and attributes, HTML tells Web browsers how to display the text, hyperlinks and images on a Web page, as well as how the page should respond when a user interacts with it. HTML pages are typically distributed on the Web using hypertext transfer protocol.