There are 15-second commercials offering variations on the messages of the longer spots.
Other institutions offering variations on this type of programme include the universities of Bath and Glamorgan.
A television monitor plays footage of the same performers, ostensibly offering variations in the narrative.
They also tend to move between academia and the business world, often offering variations of their programs for academic or corporate use.
Like several of the other emerging sports being marketed on Long Island, the Dragons seek in some ways to blur the line between fans and players, offering variations of what are called Fun Zones.
A quiet, pale piece by Barbara Bartholomew is impressive, too, for the way it builds on the concept of sequence, developing each unit as an evocative field offering variations of gentle, muted nuances.
For example, after stating that investors should make their search for value easier by concentrating on specific sectors, they present 48 quotations from professionals offering variations on that point — but no comments of their own in between them.
A bouillabaisse celebration with special promotions at the Tour de France Restaurant Group, which includes Marseilles and Nice Matin, concludes Friday with each of the nine restaurants offering variations on the traditional Provençal fish stew.
So if Peter John's approach is wrong, along with those of other London boroughs, Labour and Tory-led alike offering variations on essentially the same theme, what are the better, practical alternatives for improving neighbourhoods and London's supply of new and better homes?
A key question is whether pledges like these give them enough of a point of difference, when the other parties are offering variations on the same theme.
