The key difference between DVD and Blu-ray/HD-DVD is that DVD is a standard definition format in which disc information is encoded in 480i resolution, while Blu-ray/HD-DVD disc information can be encoded up to 1080p.
Definition of Understatement. Understatement is way of speaking which minimizes the significance of something. When using understatement, a speaker or writer often employs restraint in describing the situation at hand and uses an expression with less emphasis or strength than would be expected.
'She's not the most intelligent person in the world!'. Understatement is used when a speaker wants to a make a situation seem less strong or important than it is. For example, think about this situation: You have taken ten exams in school and passed them all with a score of 100%. Someone asks you: