diff --git a/README.md b/README.md
index 91b938d..bcc57b9 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # godot_snake_game
  
+## Resources
+- https://opengameart.org/
+- https://kenney.nl/
diff --git a/Scripts/Body.gd b/Scripts/Body.gd
index 516a5bb..aee99e5 100644
--- a/Scripts/Body.gd
+++ b/Scripts/Body.gd
@@ -9,7 +9,7 @@ var scale_tween: Tween = null
 
 # 씬 트리 진입
 func _enter_tree() -> void:
-	self.set_multiplayer_authority(peer_id)
+	self.set_multiplayer_authority(self.peer_id)
 
 # 몸체 초기화
 func initialize(player_peer_id: int, fill_color: Color, outline_color: Color, location: Vector2, is_first_body: bool) -> void:
@@ -18,13 +18,14 @@ func initialize(player_peer_id: int, fill_color: Color, outline_color: Color, lo
 	$Outline.modulate = outline_color
 	self.global_position = location
 	
+	# 처음 추가되는 몸체가 아닐경우에만 충돌체를 추가한다.
 	if is_first_body == false:
 		var collision = BODY_COLLISION_TEMPLATE.instantiate()
 		self.add_child.call_deferred(collision, true)
 
 # 몸체 크기 조정 애니메이션 처리
 func change_body_scale(target_scale: Vector2) -> void:
-	if scale_tween:
-		scale_tween.kill()
-	scale_tween = get_tree().create_tween()
-	scale_tween.tween_property(self, "scale", target_scale, 0.1)
+	if self.scale_tween:
+		self.scale_tween.kill()
+	self.scale_tween = get_tree().create_tween()
+	self.scale_tween.tween_property(self, "scale", target_scale, 0.1)
diff --git a/Scripts/BodySpawner.gd b/Scripts/BodySpawner.gd
index 49335f1..38763de 100644
--- a/Scripts/BodySpawner.gd
+++ b/Scripts/BodySpawner.gd
@@ -4,37 +4,40 @@ extends MultiplayerSpawner
 const BODY_TEMPLATE = preload("res://Scenes/Templates/body.tscn")
 var player: Player = null
 
+# 시작
 func _ready() -> void:
 	self.spawn_function = self._spawn_body
 
+# 몸체 스폰 함수
 func _spawn_body(spawn_data: Dictionary) -> Node:
 	var peer_id: int = spawn_data["peer_id"]
 	var is_paused: bool = spawn_data["is_paused"]
 	
 	# 생성 위치 계산
-	var last_body: Node2D = player.body_list.back()
+	var last_body: Node2D = self.player.body_list.back()
 	var last_body_front: Vector2 = last_body.global_transform.x
 	var body_location: Vector2 = last_body.global_position + (-last_body_front * 32 / last_body.scale)
 	
-	var is_first_body: bool = player.get_node("Head") == last_body
+	# 처음 추가되는 몸체인지 판별 여부
+	var is_first_body: bool = self.player.get_node("Head") == last_body
 	
 	var body: Body = BODY_TEMPLATE.instantiate()
-	body.name = player.name + "_Body_" + str(player.body_list.size())
-	body.initialize(peer_id, player.get_node("Head/Face").modulate, player.get_node("Head/FaceOutline").modulate, body_location, is_first_body)
+	body.name = self.player.name + "_Body_" + str(self.player.body_list.size())
+	body.initialize(peer_id, self.player.get_node("Head/Face").modulate, self.player.get_node("Head/FaceOutline").modulate, body_location, is_first_body)
 	body.look_at(last_body.global_position)
-	player.body_list.append(body)
+	self.player.body_list.append(body)
 	
 	# FollowComponent 목표 객체 설정
 	var follow_Component: FollowComponent = body.get_node("FollowComponent")
 	follow_Component.follow_target = last_body
-	follow_Component.player = player
+	follow_Component.player = self.player
 	
 	if is_paused:
 		follow_Component.process_mode = Node.PROCESS_MODE_DISABLED
 	else:
 		follow_Component.process_mode = Node.PROCESS_MODE_INHERIT
 	
-	player.marking_component.on_marking.connect(follow_Component.update_target_position)
-	player.marking_component.on_marking.emit()
+	self.player.marking_component.on_marking.connect(follow_Component.update_target_position)
+	self.player.marking_component.on_marking.emit()
 	
 	return body
diff --git a/Scripts/BrowserItem.gd b/Scripts/BrowserItem.gd
index 622bae4..de52870 100644
--- a/Scripts/BrowserItem.gd
+++ b/Scripts/BrowserItem.gd
@@ -8,12 +8,12 @@ var server_data: Dictionary = {}
 
 # 초기화
 func initialize(server_ip: String, server_name: String, gameplay_port: int) -> void:
-	server_data["ip"] = server_ip
-	server_data["server_name"] = server_name
-	server_data["gameplay_port"] = gameplay_port
+	self.server_data["ip"] = server_ip
+	self.server_data["server_name"] = server_name
+	self.server_data["gameplay_port"] = gameplay_port
 
 	$ServerName.text = server_name
 
 # Join버튼 클릭
 func _on_btn_join_pressed() -> void:
-	on_btn_join_pressed.emit(server_data)
+	self.on_btn_join_pressed.emit(self.server_data)
diff --git a/Scripts/FlipComponent.gd b/Scripts/FlipComponent.gd
index 9dfe635..dd0edc2 100644
--- a/Scripts/FlipComponent.gd
+++ b/Scripts/FlipComponent.gd
@@ -5,8 +5,10 @@ class_name FlipComponent
 @export var target: Node2D
 @export var target_sprites: Array[Sprite2D]
 
+# 업데이트
 func _process(_delta: float) -> void:
 	if target != null:
+		# 방향에 따라 스프라이트 Flip 설정
 		var direction = target.global_transform.x
 		var is_flip_v = Vector2.RIGHT.dot(direction) < 0.0
 		for sprite in target_sprites:
diff --git a/Scripts/SFXManager.gd b/Scripts/SFXManager.gd
index 2f8b0e4..4c60d37 100644
--- a/Scripts/SFXManager.gd
+++ b/Scripts/SFXManager.gd
@@ -1,3 +1,4 @@
+# SFXManager.gd
 extends Node
 
 const CLICK_SFX = preload("res://Scenes/SFX/click.tscn")