# XMind

## Collaborative Minds

### Boundary

Several topics with similar information or concepts can be grouped together within a boundary.

To add a Boundary:

1. Select the target topics.
2. Apply the boundary:
   - Click the boundary icon on the toolbar.
   - Right-click on the blank space, and select 'insert > boundary'.
   - Use shortcut 'Ctrl+B'(Command+B for Mac User).
3. Drag and move the slides on the edges of the boundary to change boundary scale.

Note: Subtopics under different branches or different father-topics can not be in one boundary.

To add the Boundary text.

1. Select the boundary.
2. Type the description, and click "Enter" to finish.

To change Boundary properties:

1. Select the boundary.
2. Open the Properties View.
3. You can change the following boundary settings:
   - Boundary Shape, Background color, Fill opacity.
   - Line style, color.
   - Boundary text font, size, color, and etc.

You may also be interested at...

- Topic
- Relationship
- Alignment

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