Oregon Department of Human Services / Seniors & People with Disabilities / Intellectual and Developmental Disabilities.
Note [Deprecated. The linear element defines the value of a param element at a particular time, relative to the start of the transition or effect that contains the param element. The linear element causes the parameter to make a smooth transition from its previous value to the new value. For an instantaneous jump to a new value, use the at element. Attributes.
A Linear Foot in construction purchase and sales equates to the value per foot of whatever the longest dimension outside of the fixed dimension. Meaning, a 2 x 4 is priced as the stable dimension (a 2x4 is a 2x4) and then by the number of feet in length. In your case, you have a back-splash panel...