The phrase "gestural style" refers to a way of creating or expressing something using hand movements or gestures. It means that the emphasis is on using physical movements rather than detailed or realistic representations. Full definition
His early practice focused on painting in a largely gestural style. (lamodern.com)
Working in a loosely gestural style, she often depicts people of color set amidst muted backgrounds. (artnet.com)
This approach, based on reason and precision, flourished concurrently and in sharp contrast to the subjective, gestural style of Abstract Expressionism. (dreamideamachine.com)