Understanding Mildot Reticle Any Mil Dot Shooters Here?

Any Mil Dot shooters here? - understanding mildot reticle

To understand how and how do I apply this update known to a target through a telescopic sight MilDot as "Half Mil Objective 1 / 2 MT? and after my letter ballastic software in some long-term objectives, which told me to 7.5 or 9.2 mil take the ball drops, if it is only 5 thousandths of a millimeter on each side of the scope of thousand points Bullseye weapon. You can please Enlight me.Thank.