Nonlinear generally refers to a situation that has a disproportionate cause and effect.^*
Description: A->B -linear B A< -nonlinear C

Manifestations

• Nonlinearity, in mathematics, indicates systems represented systems whose behavior is not expressible as a linear function of its descriptors
• Nonlinear optics, in physics, examines the properties of light in media in which the polarization responds nonlinearly to the electric field.
• Nonlinear (arts), in the arts, is a word used to describe events portrayed in a non-chronological manner
• Linearity (computer and video games), in computer and video games, implies that the order of gameplay events is determined
• Non-linear editing system, a film and video editing term