Users also often find it difficult to define what they want in abstract or verbal terms independent of some working system : I'll know it when I see it' (IKIWISI). A prototype provides a means for users to say more precisely what they do or do not want. The general idea, then, is to construct a series of prototypes, to allow prospective users to examine each one, and say what changes they want in the next one.

Given the vivacious young redhead's attractiveness, some might have assumed he had more than simply professional reasons for sheepdogging her career, but they would have been wrong. He'd seen something in her ...

There's no lie Jenny Prask wouldn't tell to force Joan into the witness box.

Of which number, the most part were of hir Maiesties most honourable priuie Counsell, and the reast seruing hir in verie good place.