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.
Understatement Definition. Understatement is a form of speech in which a lesser expression is used than what would be expected. This is not to be confused with euphemism, where a polite phrase is used in place of a harsher or more offensive expression. Understatement is a staple of humor in English-speaking cultures, especially in British humour. For example, in Monty Python's The Meaning of Life, a suburban dinner party is invaded by Death, who wears a long black cloak and carries a scythe.