PULLOUT DISTANCE

PLEASE EXPLAIN TO ME WHAT IS PULLOUT DISTANCE. FURTHER , I AM USING CREO PARAMATRIC 3.0. CAN ANY ONE EXPLAIN ME TO WHAT ARE THE BEST , SAFE, AND SPEED PARAMETERS FOR ROUGHING AND VOLUME ROUGHING PROGRAMME.
I NEED PARAMETERS FOR ALL, NOT FOR BASIC
PULLOUT DISTANCE, LEAD RADIUS, OVERTRAVEL DISTANCE, ETC.
IF YOU HAVE ANY LINK OF VIDEO OR DOCUMENT TO LEARN ABOUT PARAMETERS PLEASE LET ME KNOW.