<prompt> Translate the following text to EnglishKwa ujumla, mfuko wa ufafanuzi wa wigo unawakilisha muundo ambao uko kati ya asilimia 15 na 35 kamili, ingawa tofauti zinaweza kuanza mapema zaidi, mara nyingi na maelezo ya utendaji, au baadaye zaidi na labda mfuko wa muundo wa asilimia 65.  <response>: Generally, the scope definition package represents a design that is between 15 and 35 percent complete, although variations may begin much earlier, often with a performance specification, or much later with perhaps a 65 percent design package. 