Mae cynllun 'cyfnewld' o dan raglen LEONARDO DA VINCI yn golygu cyfnewid profiad neu wybodaeth rhwng cwmnïau, prifysgolion neu sefydliadau hyfforddi. neu rhwng athrawon/ darlrthwyr.
An 'exchange' under LEONARDO DA VINCI is an exchange of experience or knowhow between firms, universities, training organisations, Instructors or lecturers.