Add Objects to your floorplan from left-panel. Edit Objects in the right-panel.
Open the Objects section in the top drawer of the left-panel to search through the library of objects. Search for the name of a specific Object, choose from your saved Favorites or browse through the categories. Once you find the desired object, simply drag & drop it onto the diagram!
Once an object has been added to the diagram, it can be edited from the right panel.
There are additional options for arranging objects available in both the Arrange menu, the toolbar above the diagram, and as keyboard shortcuts.
The snap to objects tool helps to align objects on a verticle or horizontal axis. This feature can be toggled on or off by clicking Arrange the tab and then Snap to Object.