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.
Example of Understatement in Literature. Understatement in literature is used for effect, usually sarcastic or derogatory of an element in context with the statement. The understatement itself is a form of denigration, used to change the perspective of the subject. In some cases the intention is to mock the person receiving the understated comment.