| Subject | English | Thai |
| comp., MS | category hierarchy | การจัดประเภทตามลำดับชั้น (A structure that orders categories using a superordinate-subordinate relationship) |
| comp., MS | category hierarchy | ลำดับชั้นประเภท (A structure that orders categories using a superordinate-subordinate relationship) |
| comp., MS | procurement category hierarchy | ประเภทการจัดซื้อตามลำดับชั้น (A category hierarchy that orders categories that are created to group products that have similar procurement management and accounting characteristics) |