He understood, too, that facial expression and posture are a universal language to communicate emotion.

All the intended emotions and motives were perceived, showing that attempts to communicate emotion and motivation via movement can succeed.

Having no direct means to communicate emotion, the difficulty of providing an account of emotion in animals relies heavily on work-around experimentation that relies on results from human subjects.

Through lights energy source comes color, making colors themselves energy sources that can communicate emotions, moods and perhaps transcendental meaning to the viewer.

Through the wavelength of light, we communicate emotions through various colors in painting.