Imaginative as those devices had been, they had an extremely simple purpose.
For elephants, the structure serves a simple purpose: it helps the hefty animals to stand up.
It was for the one simple purpose of keeping him in the contest.
He laid a hand over hers for the simple purpose of watching her scowl and jerk away.
The Elias Fund began with a simple purpose - help one man raise his children.
Odd as the event was, it had a simple purpose.
Those phone calls had a simple purpose: See which participants were still alive.
In 1946, they joined other parents for the simple purpose of raising funds to purchase medical care for children.
So single-minded in his few simple purposes, he had said.
As with the construction of the walls, the timber used seemed too massive for such a simple purpose.