Atomic Structure

a command that takes a Boolean expression and a set of commands as input and runs the commands if the Boolean expression is true and does nothing if it is […]

a command moves the turtle forward a specified number of steps

a command that: sets all the code-defined (not slider defined) global variables to zero clears the tick counter (leaving it with no value, not zero) kills all the turtles resets […]

a command that takes an agent or set of agents and a set of commands as input and makes each agent in the set (in random order) follow the commands