The most frequent causes of death from Werner Syndrome are heart attacks and cancer. It is not uncommon for affected individuals to develop multiple, rare cancers during their lifetime. People with Werner syndrome usually live into their late 40's or early 50's.
1 Answer. I am not a business analyst (I'm a software developer) but wil hazard a semi-educated guess: A requirement is something that is desired and fills a business need while a constraint limits choices to fit within an existing space. For example, a requirement might be something like: As a user, I must be able to enter the lengths of two adjacent sides of a rectangle and then click a single button to obtain the perimeter of that rectangle..
Definition of constraint for English Language Learners. : 1  something that limits or restricts someone or something. : 2  control that limits or restricts someone's actions or behavior.