Activities can differ across a series of dimensions: materials they present (text, images, sound) as well as the layout adopted (bullet list vs table). These dimensions are defined below. For each variable, the default value appears in first position, followed by the other values that variable can take. There is a concrete example of how this translates into our specification after the overview of the variables.
Items:
Text / Image / Audio / Movie / Mixed.
Options:
Text / Image / Audio / Movie / Mixed.