ALT + click and drag

disable snapping

ALTGr + drag corner or CTRL + ALT + drag corner (Windows 10):

rotate an object or topic

CTRL + drag corner

resize an object or topic from its center point

SHIFT + drag

draw a rectangle to select multiple object

SHIFT + click

select multiple object

SHIFT + keyboard arrows

move selection

Up, down, left, right arrows:   

nudge selection

CTRL + A

Alles selecteren
CTRL + C:
Kopiëren
CTRL + X:
Knippen
CTRL + V:
PLakken
CTRL + Z:
Ongedaan maken
BACKSPACE:
Verwijderen
CTRL + BACKSPACE:
Verwijder woord voor  woord.