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.
The HTML TABLE tag is the opening tag used to create a table within a web page. You can specify your HTML TABLE width as a set number value or use a percentage. Set HTML Table Width in Pixels. <TABLE BORDER=2 CELLPADDING=2 CELLSPACING=2 WIDTH=200>. <TD>Column 1</TD>.