web application - also called "web app", is an application that runs on a web server and is
accessed by the user using a browser.
front end web development - refers to writing of HTML, CSS and JavaScript for a particular
website.
HTML - language used to describe webpage structure and content which allows online
publishing of documents, retrieving of various resources, designing of forms for transactions,
and including resources such as video clips and images to a particular website.
CSS - language used for aesthetics and presentation of a particular website which
includes customization of website colors, fonts and layouts. CSS allows website presentations to
adapt to different types of devices
JavaScript - used for behavioral aspects of a website which may include scripts that
allow users to interact with the website.
example: