Object
Inserts an embedded object into your document, including formulas, 3D models, charts and OLE objects.
Inserts a formula into the current document. For more information open the Collabora Office Math Help.
Chart From File
Inserts a chart from within another spreadsheet or from an ODF Chart file (file extension: *.odc).
3D Model
Inserts a 3D models in the glTF format. This option is currently only available for Windows and Linux.
Inserts an OLE object into the current document. The OLE object is inserted as a link or an embedded object.