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.
Definition. Litotes is a figure of speech consisting of an understatement in which an affirmative is expressed by negating its opposite.Plural: litotes. Adjective: litotic.  Litotes describes the object to which it refers not directly, but through the negation of the opposite. . . .  2 The account given in various rhetorical textbooks reveals a picture of the rhetorical figure litotes which is--to put it aptly--'not very clear.' . . .