The designer menu bar is itemized here.
File
New Building
New Spacecraft
Open
Save
Save As
Import
3ds
STL
Export STL
Exit
Edit
Undo
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Cut
Copy
Paste
Paste At
Paste Radial
Delete
Select All
Select Contiguous Faces
Select Edges
Select Faces
Select Vertices
Deselect All
Invert Selection
Align Selected Objects
Grab Selected Objects
Rotate Selected Objects
Stretch Selected Objects
Settings
Blueprint
Properties
Refresh Obstructions
Solids Obstruct Movement
Gravity On/Off
Preview On/Off
Preview People
Preview Settings
Preview Place Building
Finalize
Previous Finalize Result
Part
Properties
Door
Door Switch Positions
Light Bulb
Light Lens
Room Lighting
Room Void Gravity and Hold Access
Site
Transporter Station Pad Locations
Turret Base Position
Turret Gun Position
Weapon Emit Location
Door
Hull
Room
Landing Gear
Mesh
Jig
Stations
Panels
Vehicles
Details
Landscape
Paths
Sketch
Align Turbo Lift Stop
Associate Parts
Dissociate Parts
Jig Cut
Join
Make
Symmetrical Copy
Face
Helpers
View
Help