| Subject | English | Greek |
| comp., MS | left mouse button | αριστερό πλήκτρο του ποντικιού (The button on your pointing device that you use most often for clicking and double-clicking) |
| comp., MS | primary mouse button | βασικό κουμπί ποντικιού (The button on your pointing device that you use most often for clicking and double-clicking) |