The initial sensation experienced by applying the lightest pressure and movement across the surface of a material; perceived as roughness, smoothness, softness, elasticity, etc.
The feeling experienced as a material either presses against or moulds itself to the contours of the body; perceived as enveloping, moulding or malleable.
The experience felt in the time between applying pressure to a material and then settling into it; perceived as sinking, weightlessness or immersion.
The relationship between stress and strain within a material that has been compressed by 10%; represented as slopes of varying steepness.
The time in which it takes a material to return to its original shape after being stretched or compressed.
The tendency of a material to move slowly or deform under the influence of stress; the speed and direction in which this occurs.