____ was developed to enable web authors to implement interactive content on web sites, such as to animate an item, or pop up a window to point to an item.
HTML (Hypertext Markup Language) was developed to enable web authors to implement interactive content on web sites, such as to animate an item, or pop up a window to point to an item. HTML is a standardized system, a program language for creating web sites that tells the Web browser how to display a Web page's words and images for the user. It is the fundamental language used to develop webpages.