Coordinate term: player

We develop next a theory of invariant valuations for the lattice of finite unions of orthogonal parallelotopes, having edgers parallel to a fixed frame. […] This follows from the basic fact that the intersection of two parallelotopes is a parallelotope.

The dervish whirled dizzyingly fast.

Venters began to count them—one—two—three—four—on up to sixteen.