Definitions of programming languages

 Python

Python is an interpreted, object-oriented, high-level programming language. Its high-level built in data structures, combined with dynamic typing and dynamic binding, make it very attractive for Rapid Application Development, as well as for use as use as a scripting language to connect existing components together.

Reference (python.org) 

Ruby

Ruby is an open source, object-oriented programming language created by Yukihiro Matsumoto, who chose the gemstones name to suggest, a jewel of a language.

Everything is an object in Ruby language. All information and codes are given their own properties and actions in this language. Object-oriented programming calls properties by the name instance variables and actions are known as methods. Ruby’s object-oriented approach is most demonstrated by codes which applies an action to a number.

Reference (Whatis.com), (Ruby-lang.org)

Html 

HTML is the set of mark-up symbols or codes insert in a file intended for display on the Internet. The mark-up tells web browsers how to display a web page's words and images. It helps in creating websites.


Reference (Investopedia.com)


JavaScript


 JavaScript is a programming language that allows the user to structure or give meaning to the web content. For example, defining paragraphs and data tables, and videos in page. It also allows the user to control multimedia and animate image.

Reference (MDN Web Doc)

 

CSS 

CSS stands for "Cascading Style Sheet." Cascading style sheets are used to format the layout of Web pages. These sheets can be used to define text styles, sizes, and other aspects of Web pages that previously could only be defined in a pages Html.

For example, it lets user to set background colours and fonts and helps in laying out the content in multimedia columns.

Reference (teachterm.com)

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