Data Flow - Data Lifecycle in Redux Back

All data in Redux will obey the following 4 steps:

1. First, you will call store.dispatch(action).
2. Then, the Store you created will call the reducer what you gave reducer(state, action).
3. The root reducer may combine the output of multiple reducers into a single state tree.
4. The Redux Store will finally save the whole state tree returned by the root reducer.