Zona looked at her along the length of the peeled stick. "An idiom. Idioma . Very rich and complicated. It has nothing to do with your mother." She lowered the stick and did something to her knife, folding the blade away with a triple click. The lizard she'd adjusted earlier came scurrying low across a narrow ledge of rock, clinging so close as to appear two-dimensional. Zona picked it up and stroked it into yet another color-configuration.