Huawei Technologies Proprietary 
 
Convention  Description 
optional. 
{ x | y | ... }
 
Alternative items are grouped in braces and separated by 
vertical bars. One is selected. 
[ x | y | ... ]
 
Optional alternative items are grouped in square brackets 
and separated by vertical bars. One or none is selected. 
{ x | y | ... } *
 
Alternative items are grouped in braces and separated by 
vertical bars. A minimum of one or a maximum of all can be 
selected. 
[ x | y | ... ] *
 
Optional alternative items are grouped in square brackets 
and separated by vertical bars. Many or none can be 
selected. 
#  A line starting with the # sign is comments. 
 
III. GUI conventions  
Convention  Description 
Boldface 
Button names and menu items are in Boldface. For 
example, click OK. 
/ 
Multi-level menus are in bold and separated by forward 
slashes. For example, select the File/Create/Folder menu.
 
IV. Keyboard operation 
Format  Description 
<Key> 
Press the key with the key name inside angle brackets. For 
example, <Enter>, <Tab>, <Backspace>, or <A>. 
<Key1+Key2>  
Press the keys concurrently. For example, <Ctrl+Alt+A> 
means the three keys should be pressed concurrently. 
<Key1, Key2> 
Press the keys in turn. For example, <Alt, A> means the 
two keys should be pressed in turn.