Final answer:
Hypertext Markup Language (HTML) is the language that provides a way to encode information so that a variety of IT devices can display it.
Step-by-step explanation:
The language that provides a way to encode information so that a variety of IT devices can display it is Hypertext Markup Language (HTML).
HTML is a formatting language used to structure content on the web, allowing for the creation of web pages that can be displayed on different devices and browsers.
For example, HTML tags such as <h1> and <p> are used to define headings and paragraphs, respectively, in a web page, enabling consistent and standardized display across devices.