| Subject | English | Arabic |
| comp., MS | fault tree analysis diagram | رسم تخطيطي لتحليل شجرة السلبيات (A type of diagram commonly used to illustrate events that might lead to a failure so the failure can be prevented) |
| comp., MS | tree diagram | رسم تخطيطي على شكل شجرة (A type of block diagram with tree shapes to represent hierarchies, such as family trees or tournament plans) |