(Double click on drawing area or shape) Insert text

(Click on the blue arrow) Connect and clone shape

(Click on symbol / hold, drag) Rotate shape or text

Zoom in / out

Create / remove space

Refresh

Hold shift while resizing to maintain proportions

Hold to resize centered

Resize cell (grid size)

Add to selection

Remove from selection

Select all

Toggle italic on selected text

Toggle format panel

Context menu

Paste

Ungroup

Turn / rotate 90° clockwise

Edit tool tip

Connection arrows