Hierarchical planning is also called as plan decomposition. Generally plans are organized in Hierarchical format.

Pop one level planner:

If you are planning to take a trip, then first you have to decide the location. To decide location we can search for various good locations from internet based on, whether conditions, travelling expenses, etc. This is level one planning.

Hierarchy of actions:

In terms of major and minor or actions, hierarchy of actions can be decided. Minor activities would cover more precise activities to accomplish the major activities.

Major steps are given more importance. Once major steps are decided we attempt to solve the minor detailed actions.

Planner:

i. First identify a hierarchy of major conditions.

ii. Construct a plan in levels.

iii. Patch major level details.

iv. Finally demonstrate