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.
HTML is a markup language * A markup language is a set of markup tags * The tags describe document content * HTML documents contain HTML tags and plain text * HTML documents are also called web pages.TML is a markup language * A markup language is a set of markup tags * The tags describe document content * HTML documents contain HTML tags and plain text * HTML documents are also called web pages.