simple

"Getting more parks and trees into cities is complicated work, and I realised that a simple metric could take the mystery out of it and set a proper benchmark based on evidence," he said.

Open systems are simpler but present a challenge during the winter.

“It was a simple idea of, ‘What if Wallace invents a smart gnome, a robot gnome, to help Gromit in the garden, and things inevitably go wrong?’

In his first broadcast interview since taking up the job in September, Martin Hewitt said there was no "simple answer" to stopping people crossing the Channel in small boats.

The raw figures reported beg many questions and it is difficult to draw simple conclusions from them.