Paragraph ▸ Attach File (Ctrl+Shift+A), pasting, or dragging files onto the note adds them where the cursor is. Images appear in the note; other files show their name and size. Double-click an attachment to open it with its app.
Paragraph ▸ Table, Chart and MathJax insert a table, a chart and a formula. Click one to edit it; right-click a table for its menu (rows, columns, alignment, headers). They are drawn by the Microsoft Edge WebView2 Runtime that comes with Windows.
Paragraph ▸ Note (Ctrl+Shift+N) puts a small note inside the note; click it to read or change it.
Paragraph ▸ Draw opens the Sketch panel: draw with a pen or the mouse, then Done puts the drawing in the note.
File ▸ Import… brings a file into the open note (Current Document) or makes a new note of it (New Document). File ▸ Export Attachments… copies every attachment of the note into a folder.