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+# **Hierarchy**
+- Actor
+  - Pawn
+    - Character
+
+# Actor (AActor)  
+An Actor is the base class for any object that exists in the Unreal Engine world.
+
+**Definition**
+
+> Any object that has a transform (location, rotation, scale) and can exist, act, or be rendered in the world.
+
+**Characteristics**
+
+- Has a position, rotation, and scale
+- Can contain Components
+- Can execute logic (Tick)
+- Can be replicated over the network
+
+**Examples**
+- Static or interactive props
+- Lights
+- Triggers and volumes
+- Projectiles
+- Cameras
+- Visual effects
+
+**Note**  
+An Actor cannot be controlled by a player or AI by default.
+
+# Pawn (APawn)  
+A Pawn is an Actor that can be possessed and controlled.
+
+**Definition**
+
+> A physical representation of a player or AI entity in the world.
+
+**Characteristics**  
+- Can be possessed by a PlayerController or an AIController
+- Acts as the link between:
+  - input / AI logic
+  - the physical world
+- Can receive movement commands
+
+**Examples**
+- Player character
+- Enemies
+- Vehicles
+- Drones
+- Controllable cameras
+
+**Note**  
+A Pawn **does not provide advanced movement systems by default**  
+(walking, jumping, gravity, etc.).
+
+# Character (ACharacter)  
+A Character is a Pawn specialized for humanoid characters.
+
+**Definition** 
+
+> A ready-to-use Pawn designed for bipedal characters with standard movement behavior.
+**Built-in Components**  
+- CapsuleComponent (collision)
+- SkeletalMeshComponent (animations)
+- CharacterMovementComponent (advanced movement)
+
+**Features**
+- Walking, running, jumping
+- Gravity, slopes, stairs handling
+- Camera ↔ animation consistency
+- Network-ready movement (client prediction)
+
+Examples
+-FPS / TPS player characters
+- Humanoid NPCs
+- Bipedal enemies
+
+**Note**  
+Less suitable for non-humanoid entities  
+(vehicles, atypical creatures, or objects).
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