S select · G lasso · P pen · H highlighter · K trail · E eraser · L line · A arrow · R rect · O ellipse · I triangle · U trapezoid · M parallelogram · W block arrow · T text · Line/Arrow Angle box locks exact inclination; clear it for free angles · drag the amber diamonds to adjust a shape's vertices · Alt/middle-drag pan · Ctrl+wheel zoom · Ctrl+V paste image/text (goes into the active stage) · select 2 shapes to Merge · in a stage Shift-click a 2nd shape to Union/Intersect/Subtract · N new KF · D dup KF · [ ] step KF · Space play 100%