diff --git a/Sounds/car.wav b/Sounds.wagon.wav
similarity index 100%
rename from Sounds/car.wav
rename to Sounds.wagon.wav
diff --git a/src/audio.cc b/src/audio.cc
index 5ea5a4e..c965e6d 100644
--- a/src/audio.cc
+++ b/src/audio.cc
@@ -85,9 +85,9 @@ bool Audio::Init()
     Utils::GetPath(PathFile);
     Sound[sExpand] = Mix_LoadWAV(PathFile);
 
-    strcpy(PathFile, "Sounds/car.wav");
+    strcpy(PathFile, "Sounds/wagon.wav");
     Utils::GetPath(PathFile);
-    Sound[sCar] = Mix_LoadWAV(PathFile);
+    Sound[sWagon] = Mix_LoadWAV(PathFile);
 
     strcpy(PathFile, "Sounds/shrink.wav");
     Utils::GetPath(PathFile);
diff --git a/src/audio.h b/src/audio.h
index 2646c7e..dc352a6 100644
--- a/src/audio.h
+++ b/src/audio.h
@@ -35,7 +35,7 @@ enum eSound {
     sEnd,
     sLose,
     sExpand,
-    sCar,
+    sWagon,
     sShrink,
     sLive,
     sSize
diff --git a/src/editor.cc b/src/editor.cc
index a573d2b..fad4486 100644
--- a/src/editor.cc
+++ b/src/editor.cc
@@ -157,8 +157,8 @@ eMenu Editor::SDLMain(int LevelNumber)
                 }
                 m_level.T[NumN].T[cy * LT + cx] = TypeB;
                 break;
-            case car:
-                m_level.T[NumN].T[cy * LT + cx] = C_Car;
+            case wagon:
+                m_level.T[NumN].T[cy * LT + cx] = C_Wagon;
                 break;
             case expander:
                 m_level.T[NumN].T[cy * LT + cx] = C_Expand;
@@ -249,8 +249,8 @@ void Editor::Draw() const
     // Display possible sprites
     for (i = 0; i < LT * HT; i++) {
         switch (T[i]) {
-        case C_Car: // Car sprite
-            Sprites[car].Draw(i % LT * D_Case + D_Case / 2, i / LT * D_Case + D_Case / 2, 25);
+        case C_Wagon: // Wagon sprite
+            Sprites[wagon].Draw(i % LT * D_Case + D_Case / 2, i / LT * D_Case + D_Case / 2, 25);
             break;
         case C_Expand: // Expand sprite
             Sprites[expander].Draw(i % LT * D_Case + D_Case / 2, i / LT * D_Case + D_Case / 2, 25);
@@ -286,7 +286,7 @@ void Editor::Draw() const
     // Displays selected option in the menu
     switch (Option) {
     case rail:
-    case car:
+    case wagon:
     case expander:
     case shrinker:
     case speed:
@@ -411,7 +411,7 @@ void Editor::GetKeyPress(int Key)
         Option = rail;
         break;
     case 'z':
-        Option = car;
+        Option = wagon;
         break;
     case 'e':
         Option = expander;
diff --git a/src/game.cc b/src/game.cc
index b8938d0..658559b 100644
--- a/src/game.cc
+++ b/src/game.cc
@@ -528,8 +528,8 @@ void Game::DisplayScreen()
     // Display options
     for (i = 0; i < LT * HT; i++) {
         switch (T[i]) {
-        case C_Car: // if car sprite
-            m_screen.PrintSprite(car, (GameClock * 40 / 1000 + i * 7) % 50, i % LT * D_Case + D_Case / 2, i / LT * D_Case + D_Case / 2);
+        case C_Wagon: // if wagon sprite
+            m_screen.PrintSprite(wagon, (GameClock * 40 / 1000 + i * 7) % 50, i % LT * D_Case + D_Case / 2, i / LT * D_Case + D_Case / 2);
             break;
         case C_Expand: // if expander sprite
             m_screen.PrintSprite(expander, (GameClock * 40 / 1000 + i * 7) % 50, i % LT * D_Case + D_Case / 2, i / LT * D_Case + D_Case / 2);
diff --git a/src/loco.cc b/src/loco.cc
index f21e5dd..e939560 100644
--- a/src/loco.cc
+++ b/src/loco.cc
@@ -118,7 +118,7 @@ void Loco::Display(Screen &screen)
     int cdx, cdy, cfx = 0, cfy = 0; // Attachment point for cables
     float lv;
 
-    // Display all wagon/(cars)
+    // Display all wagon
     for (i = 0; i < NWagon; i++) {
         // Search wagon points
         switch (Wagon[i]) {
@@ -135,7 +135,7 @@ void Loco::Display(Screen &screen)
             lv = 20;
         }
 
-        // Calculate cars point's position
+        // Calculate wagons point's position
         FindPoint(D - p1, x1, y1);
         FindPoint(D - p2, x2, y2);
 
@@ -186,7 +186,7 @@ void Loco::Display(Screen &screen)
             // Displays the cable
             screen.PrintCable(cdx, cdy, cfx, cfy);
         }
-        // Calculate the attachment point for the next Wagon/car
+        // Calculate the attachment point for the next Wagon
         cfx = x1 - (int)(sin(ar + M_PI) * lv);
         cfy = y1 - (int)(cos(ar + M_PI) * lv);
 
@@ -222,7 +222,7 @@ void Loco::Display(Screen &screen)
             }
         }
 
-        // Add gap between the wagons/cars
+        // Add gap between the wagons
         ltrain += Pref.WagonGap;
     }
 }
@@ -240,15 +240,15 @@ void Loco::TestTile(float Dist, long GameDuration, int *Level)
     if (D <= DMoy && D + Dist >= DMoy) {
         // Check if on an item
         switch (Level[T[LocoPos].P]) {
-        case C_Car: // New wagon/car
-            m_audio.Play(sCar);
+        case C_Wagon: // New wagon
+            m_audio.Play(sWagon);
             Level[T[LocoPos].P] = 1; // Remove item from level
             Pref.Score += 5;
             AddLoco(); // Add a random wagon
 
             Win = true; // Check if it was the last wagon for win condition
             for (i = 0; i < LT * HT; i++) {
-                if (Level[i] == C_Car) {
+                if (Level[i] == C_Wagon) {
                     Win = false;
                 }
             }
@@ -291,7 +291,7 @@ void Loco::TestTile(float Dist, long GameDuration, int *Level)
             break;
         }
 
-        // Collision check with another wagon/car
+        // Collision check with another wagon
         for (i = 1; i < NWagon; i++) {
             vx = (float)(PosWagon[i].dx - PosWagon[0].dx);
             vy = (float)(PosWagon[i].dy - PosWagon[0].dy);
@@ -663,9 +663,9 @@ void Loco::FindPoint(float Dist, int &x, int &y)
 /*********************************************/
 void Loco::AddLoco()
 {
-    Wagon[NWagon] = (e_Sprite)(rand() % (car - logs_wagon) + logs_wagon);
+    Wagon[NWagon] = (e_Sprite)(rand() % (wagon - logs_wagon) + logs_wagon);
     if (Wagon[NWagon] == Wagon[NWagon - 1]) { // Avoids adding the same sprite twice
-        if (Wagon[NWagon] + 1 == car) {
+        if (Wagon[NWagon] + 1 == wagon) {
             Wagon[NWagon] = logs_wagon;
         }
         else {
diff --git a/src/loco.h b/src/loco.h
index aeab20f..e05b044 100644
--- a/src/loco.h
+++ b/src/loco.h
@@ -58,7 +58,7 @@ class Loco
     void MoveForward(int Duration, long GameDuration, int *Key, int *Level); // Makes locomotive move forward for Duration in ms
     void FindArrow(int *Level, int *Key); // Search the position of the next intersection
     bool TestDir(int FDir, int *Level); // Check if a direction/turn is possible
-    void AddLoco(); // Adds a random car to the locomotive
+    void AddLoco(); // Adds a random wagon to the locomotive
 
     inline bool Go(int FutureDirection); // Move the locomotive
     inline void FindPoint(float Dist, int &x, int &y); // Searching a point on the map
diff --git a/src/preference.h b/src/preference.h
index f2f9eac..7087b6c 100644
--- a/src/preference.h
+++ b/src/preference.h
@@ -58,7 +58,7 @@
 /*** Possible pieces on the level ***/
 #define C_None 0
 #define C_Rail 1
-#define C_Car 2
+#define C_Wagon 2
 #define C_Expand 3
 #define C_Shrink 4
 #define C_Speed 5
diff --git a/src/sprite.h b/src/sprite.h
index 7ce3117..58ac834 100644
--- a/src/sprite.h
+++ b/src/sprite.h
@@ -50,7 +50,7 @@ enum e_Sprite {
     cargo_wagon,
     engine_wagon,
     cistern_wagon,
-    car,
+    wagon,
     expander,
     shrinker,
     speed,