a travel point is a mean of preposition
time_point_preposition is temporal_preposition. directional_preposition is not spatial_preposition. set_point is point. time_point_preposition is not temporal_preposition. atelic_directional_preposition is spatial_preposition. set_point is not point. directional_preposition is spatial_preposition. telic_directional_preposition is spatial_preposition. general_point is not tactical_point. telic_directional_preposition is not spatial_preposition.