Adobe mbox is a "marketing box," a portion of your Web page that can be configured to show different content in different situations.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Website using the £ symbol on their website - meaning it may accept payment in this British currency.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.