1.For the purpose of points 2 to 5 of this Annex the following definitions shall apply:
(a)
‘display mechanism’ means any screen, including tactile screen, or other visual technology used for displaying internet content to users;
(b)
‘nested display’ means visual interface where an image or data set is accessed by a mouse click, mouse roll-over or tactile screen expansion of another image or data set;
(c)
‘tactile screen’ means a screen responding to touch, such as that of a tablet computer, slate computer or a smartphone;
(d)
‘alternative text’ means text provided as an alternative to a graphic allowing information to be presented in non-graphical form where display devices cannot render the graphic or as an aid to accessibility such as input to voice synthesis applications.