Web design is the process of planning and creating a website. Text, images, digital media and interactive elements are used by web designers to produce the page seen on the web browser. wikipedia.org

The front end is responsible for collecting input in various forms from the user and processing it to conform to a specification the back end can use. The front end is an interface between the user and the back end. wikipedia.org

CodeIgniter is an open source web application framework for use in building dynamic web sites with PHP. wikipedia.org

MySQL is a relational database management system (RDBMS) that runs as a server providing multi-user access to a number of databases. wikipedia.org

Electronic commerce, commonly known as e-commerce refers to the buying and selling of products or services over electronic systems such as the Internet and other computer networks.

PSD to HTML conversion is the process of converting a PSD (Photoshop document) template to functional HTML web page.

JavaScript is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It is a multi-paradigm language, supporting object-oriented, imperative, and functional programming styles. wikipedia.org

PHP is a general-purpose server-side scripting language originally designed for web development to produce dynamic web pages. wikipedia.org

Shopify is an e-commerce platform that allows individuals and businesses to create online stores. The Shopify platform includes a content management system that allows users to manage inventory, edit HTML and CSS code, create coupon and discount codes, and accept online payments online with... wikipedia.org

OpenCart is a free open source shopping cart system written in PHP and released on a GNU GPL License.

Web development is a broad term for the work involved in developing a web site for the Internet (World Wide Web) or an intranet (a private network).

WooCommerce is an open source e-commerce plugin for WordPress that was launched on September 27, 2011. wikipedia.org

Magento is an open source based ecommerce web application that was launched on March 31, 2008. It was developed by Varien (now Magento Inc) with help from the programmers within the open source community but is owned solely by Magento Inc.. wikipedia.org

WordPress is a free and open source blogging tool and content management system (CMS) powered by PHP and MySQL. It has many features including a plug-in architecture and a template system. wikipedia.org