# Conventions

This section describes the conventions of symbol, format and expression methods.

#### Content Conventions

The purchased products, services and features are stipulated by the contract made between Huawei Technologies Co., Ltd. and the customer. All or part of the products, services, and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied.

Note that the UI of the ATIC management center varies slightly with the version. Perform operations based on the actual UI.

#### Symbol Conventions

The symbols that may be found in this document are defined as follows.

Symbol | Description
--- | ---
| Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury.
| Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury.
| Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury.
| Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury.
| Supplements the important information in the main text. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration.

#### Command Conventions

The command conventions that may be found in this document are defined as follows.

Convention | Description
--- | ---
Boldface | The keywords of a command line are in boldface.
Italic | Command arguments are in italics.
[ ] | Items (keywords or arguments) in brackets [ ] are optional.
{ x | y | ... } | Optional items are grouped in braces and separated by vertical bars. One item is selected.
[ x | y | ... ] | Optional items are grouped in brackets and separated by vertical bars. One item is selected or no item is selected.
{ x | y | ... } * | Optional items are grouped in braces and separated by vertical bars. A minimum of one item or a maximum of all items can be selected.
[ x | y | ... ] * | Optional items are grouped in brackets and separated by vertical bars. Several items or no item can be selected.
&<1-n> | The parameter before the & sign can be repeated 1 to n times.
# | A line starting with the # sign is comments.

#### GUI Conventions

The GUI conventions that may be found in this document are defined as follows.

Convention | Description
--- | ---
Boldface | Buttons, menus, parameters, tabs, window, and dialog titles are in boldface. For example, click OK.
> | Multi-level menus are in boldface and separated by the ">" signs. For example, choose File > Create > Folder.

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