General remarks

Selecting existing object

Moving and resizing selected object

Object creation and deletion

Structural operations in container

Editing selected object

Editing container

Importing and exporting objects

Sending updates in Tango

Appendix A: Most important key combinations and shortcuts

Tabtransfer focus to the next object (toward the top layer)
ShiftTabtransfer focus to the previous object
Spaceenter editing mode (one object must be selected)
ShiftSpacequit editing mode
CtrlSpaceshow property editor (one object must be selected)
Deletedelete selected object

Appendix B: Known limitations