Conventions The following conventions are used in this guide: mouse The term mouse is used to refer to any pointing device, such as a mouse, a puck, or a stylus. MB1,MB2,MB3 On a 3-button mouse, MB1 indicates the left mouse button, MB2 indicates the middle mouse button, and MB3 indicates the right mouse button. click The term click means press and release MB1 (unless another mouse button is specifically mentioned.) double click The term double click means press and release MB1 two times in rapid succession without moving the mouse. drag The term drag means press and hold MB1 (unless another mouse button is specifically mentioned), move the mouse, and then release the button when the pointer is in the desired position. boldface text In the online version, boldface text indicates a hotspot where you double click to navigate to another section. italic text Italic text indicates a reference to another document. Bookreader The term Bookreader refers to the Bookread~r software.