# | Attribute | Description |
1 | g | Represent the cost of getting from the source node to the destination node (the summation of all values in the path between the source and destination. |
2 | h | Represent the estimated cost from the source node to the destination node. |
3 | f | Represent the summation of g and h and is the best estimate of the cost for the path going through the source node. f = g + h. |