A slice is a collection of Redux reducer logic and actions for a single feature of your application. It's created using createSlice and includes:
Initial state: The starting value for this slice of state
Reducers: Functions that define how state updates in response to actions
Actions: Automatically generated action creators based on reducer names
Action types: Automatically generated action type strings Slices eliminate the need to write separate action creators and action types, reducing boilerplate significantly.
Rewriting in plainer words…
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