The Properties window shows properties of the working window, document, or entity as shown in the figure below. One of these three features can be chosen by using the combo box. The properties of each feature are described in the following table.

Figure 1.19: Features of the properties window

Figure 1.20: Description of the properties window

Property	Description
1. Buttons for operation	These buttons are used to control the list, apply a data change or finish an operation as follows. Extend All Display a hidden property. Sort Properties Sort the properties in alphabetical order. Apply Apply properties or finish entity creation. Apply Restart Finish entity creation and then start again. Restart Return to the first step of the operation.
2. Name	Shows the name of the file.
3. Gravity	Set the acceleration of gravity. For more information, see Gravity.
4. Unit	Shows the unit system for the file. The unit system is determined when the file is created. For more information, see Files.
5. Icon Size	Set the size of icon representing an entity when displayed in the working plane.
6. Comment	Enter a comment for the file.
7. Status	Shows the current status.
8. Color	Set the background colors for the working window. Top and bottom colors can be defined.
9. Entity Property	Set the properties for entity creation. These properties are explained in the individual sections for each type of entity.