Device — Getthit Wiki Tag

A 'Dimension' in Google Analytics is an attribute or characteristic of an object that can be given different values.. Dimensions are represented by names such as ‘User Type’, ‘Device Category’, and ‘Browser’

Responsive Web Design (RWD) is an approach to web design that makes web pages render well on a variety of devices and window or screen sizes.. Responsive Web Design (RWD) makes the web page easier to read and navigate with fewer resizing or scrolling required than in non-responsive websites.