1.1 This terminology defines characteristics of soils and turfgrass for use in the development of standards and specifications for natural playing surfaces. This standard includes terms that pertain to natural playing surfaces used for sports and may include those surfaces supporting the growth of turfgrass or unvegetated (bare soil) playing surfaces that are constructed with natural materials.

1.2 The terms defined in this terminology standard are appropriate for use by sports field development professionals, owners and institutions, installers and contractors and other practitioners in matters concerning natural surfaces evaluations, test methods, specifications, maintenance and construction.