Right Hand Rule Configuration 1 Directions
Besides up, down, left, right, we use a circle with center dot to represent an arrow tip coming towards you. A circle and an X represents an arrow going away as you observe the fletching, or rear cross feathers.
In the picture here the thumb is pointing to the right. The forefinger is pointing up and the middle finger is directed towards you. This configuration is used to represent three dimensions.You will always keep you hand in this configuration and knowing two direction