24. A computer-readable medium encoded with a computer program for causing a computing entity to operate to: display on the computing entity a view of a displayable item, a first activatable transport-control element with associated first semantic information, and a second activatable transport-control element with associated second semantic information that is different from said first semantic information; and respond to activation of a said transport-control element both by moving the displayed item view within or between displayable items and by storing or outputting data indicative of the semantic information associated with the activated element, the item-view move that is effected as a result of activation of a said transport-control element being the same whichever of said elements is activated.
24. A computer-readable medium encoded with a computer program for causing a computing entity to operate to: display on the computing entity a view of a displayable item, a first activatable transport-control element with associated first semantic information, and a second activatable transport-control element with associated second semantic information that is different from said first semantic information; and respond to activation of a said transport-control element both by moving the displayed item view within or between displayable items and by storing or outputting data indicative of the semantic information associated with the activated element, the item-view move that is effected as a result of activation of a said transport-control element being the same whichever of said elements is activated. 26. A computer-readable medium encoded with a computer program according to claim 24 , wherein said semantic information comprises a graphics information.