2. Causes another person to apprehend the infliction of immediate unlawful force.
Words can negate an offence (Turberville) but not ALWAYS (R v Light).
Fear of unwanted touching isn't assault - not necessary to fear serious force (Collins v Wilcock)
Immediate does mean instantaneous, but imminent (Smith v Chief Superintendent of Woking Police)
Pointing unloaded gun at someone who knows its unloaded isn't assault (R v Lamb).