The rules are the same, but there are many more commands in ArmA. The commands that affect vehicles or units may:
1 - require that the affected unit is local to the machine where the command is executed (for example, setVectorDir).
2 - apply the effects locally to the provided unit.
Commands that do not affect units may also have global or local effects, for example, the drop command has local effect, the particles will be "seen" only there where the command has been executed, its effects are not broadcasted, same for radio/chat or weather change commands.