Blu-ray

Definition:

Blu-ray is a format for high definition DVDs. Movies purchased in the Blu-ray format are specifically designed for high definition, widescreen televisions. Blu-ray movies typically display in 1080p format vs. the standard definition DVD 480p format.

Blu-ray DVDs have 6-7 times the capacity of a standard DVD and can employ DRM to prevent illegal copying of the DVD contents.

Here's a word you may not know...

browser

A browser is a software application for a computer that allows you to view web pages on the Internet, or world wide web. Popular Internet browsers include Internet Explorer, Firefox and Safari although there are many others.