circle
noun
a closed plane curve consisting of all points at a given distance from a point within it called the center. Equation: x 2 + y 2 = r 2 .
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Or Warren Buffet’s scheme for achieving goals: write down 25, circle the five you most want to accomplish, then ignore – nay, actively avoid – all 20 uncircled tasks.
From The Guardian ● Aug. 10, 2015