<P>The use of works or other subject matter under the exception or limitation for the sole purpose of illustration for teaching provided for in this Directive should only take place in the context of teaching and learning activities carried out under the responsibility of educational establishments, including during examinations or teaching activities that take place outside the premises of educational establishments, for example in a museum, library or another cultural heritage institution, and should be limited to what is necessary for the purpose of such activities. The exception or limitation should cover both uses of works or other subject matter made in the classroom or in other venues through digital means, for example electronic whiteboards or digital devices which might be connected to the internet, as well as uses made at a distance through secure electronic environments, such as in the context of online courses or access to teaching material complementing a given course. Secure electronic environments should be understood as digital teaching and learning environments access to which is limited to an educational establishment's teaching staff and to pupils or students enrolled in a study programme, in particular through appropriate authentication procedures including password-based authentication.</P>