yards yd are a imperial unit used for measuring length
yard is unit_of_measurement. yard is linear_unit. mil is unit_of_angular_measurement. yard is not royal_unit_of_measure. yard is measure_of_distance. british_imperial_system is system_of_weights_and_measures. yard is royal_unit_of_measure. square_yard is area_unit. yard is measure_of_distance_and_width. yarder is linear_unit.