| Subject | English | Thai |
| comp., MS | class member relation | ความสัมพันธ์สมาชิกในคลาส (An association between specific data members of the two classes in a class relation) |
| comp., MS | class relation | ความสัมพันธ์ของคลาส (A connection between two classes in a parent-child relationship. The relation defines the number of instances of each class) |