diff --git a/src/game_graphics.c b/src/game_graphics.c
index eeed217..794246a 100644
--- a/src/game_graphics.c
+++ b/src/game_graphics.c
@@ -2,6 +2,13 @@
 
 #include "mem_map.h"
 
+#define TOP_OFFSET 14 // Top is offset by 14 lines
+#define LEFT_OFFSET_B 1 // Left is offset by 1 bytes (7 pixels)
+
+// The grid is 5x5 squares,
+// It is offset on the left side by 7 pixels and on the top by 14
+// Every square is 28x28 pixels
+
 void draw_game_background(void) {
 
 }