| Subject | English | Icelandic |
| comp., MS | left mouse button | vinstri músarhnappur (The button on your pointing device that you use most often for clicking and double-clicking) |
| comp., MS | mouse button | músarhnappur (A movable piece on a device that is pressed to activate some function) |
| comp., MS | primary mouse button | aðalmúsarhnappur (The button on your pointing device that you use most often for clicking and double-clicking) |
| comp., MS | right mouse button | hægri músarhnappur (The button on your pointing device that you use to display shortcut menus or other program-specific features) |