Usability is a term used to denote the ease with which people can employ a particular tool or other human-made object in order to achieve a particular goal. Usability can also refer to the methods of measuring usability and the study of the principles behind an object's perceived efficiency or elegance.

In the realm of websites, usability refers to the ease of use and understandability a certain website has.

Social media is a set of web-based tools for sharing and discussing information. The term most often refers to activities that integrate technology, social interaction, and the construction of words, pictures, videos and audio.

Social Networks are the best known implementation of social media allowing users to upload, create, edit, and manage their media as well as view other's media.

The current standards of design and usability of the web. Web 2.0 promotes interactivity and communication with information and the web environment.