clarity of vision/purpose/thought etc• They tend to generate some energy as well as a clarity of purpose and a sense of definition.• It involves both sharpness and clarity of vision and this can be measured.• She brought clarity of thought and purpose.• If you thought that science was invariably characterised by clarity of vision you may have found the quantum world unexpectedly murky.• It will enable us to focus our activities and give us even greater clarity of purpose.• In her days as a schoolteacher she'd been known for the quickness of her wit and her clarity of thought.• As with advocacy, this requiresclarity of thought and an ability to think quickly, in a politically sensitiveenvironment.• The clarity of vision in those early years of women's liberation has gone.