This part of ISO/IEC 2382 is intended to facilitate international communication in information technology for learning, education and training.1) It presents, in two languages, terms and definitions of selected concepts relevant to the field of information technology for learning, education and training, and identifies relationships among the entries. It is important to note that the terms learning, education, and training (LET) are used broadly and in quite different contexts globally. However, for the purposes of this part of ISO/IEC 2382, which is concerned with LET in the context of information technology, certain delimiting characteristics prevail and definitions have been provided with this in mind.