You can have as many K-3D Documents open at a time as you like. Just as K-3D has an Application Window that remains open while the program is running, every open Document has an associated Document Window that remains open while you work on it. One of the most important sections of the Document Window is the Objects list, which displays all of the K-3D Objects within your document.
Note
The Document Window functionality will be replaced and extended by the DAG Window in the future. Giving you a better overview and control of your K-3D documents.
Note the Transport Controls at the bottom of the Document Window, which are used to preview your animations before rendering. Each Document has a View Time that controls which moment within the time slice is visible within Camera Viewports. By using the Transport Controls to manipulate the View Time, you can preview an animation before rendering.
Each K-3D Document you create is made up of K-3D Objects, and Objects is a list of Objects in a Document.
We can Highlight objects by clicking the Left Mouse Button on them within the Hierarchy, highlighting refers only to the object's appearance within the Hierarchy. We can Highlight multiple objects by holding-down CTRL while clicking on them.
The operation we're most likely to want to perform on an object after it's been created is to examine and alter its Properties. To do so, we simply Highlight the Object and hit the "Edit" Button. All of the controls and menus that you see in the Hierarchy apply to Highlighted objects.
An important feature in K-3D is its unlimited Undo / Redo system, which should encourage you to experiment with new ideas, while giving you the ability to easily undo mistakes. The Undo Stack displays a list of changes to your Document as you make them.
All K-3D's available plugin objects are listed here. It can either be a visual object like a sphere, or a object that just influence other objects in the scene. Objects has also properties that can be connected to other objects, or animated by channels.
See Plugins for more details about the available plugin objects.