diff --git a/common/constants.odin b/common/constants.odin
index 090a39a..ced4753 100644
--- a/common/constants.odin
+++ b/common/constants.odin
@@ -2,19 +2,32 @@ package common
 
 import rl "vendor:raylib"
 
+// Screen Width
 WIDTH 			   :: 1920
+// Screen Height
 HEIGHT 			   :: 1080
+// Default Monitor
 MONITOR			   :: 0
 
+// Thickness of the road being drawn
 ROAD_SIZE 		   :: 20
+// Radius of the node
 NODE_RADIUS 	   :: 20
+// Size of designated radius that determines when position is within node's 'sphere'
 NODE_SNAP_RADIUS   :: 3
+// Default text size
 TEXT_SIZE 		   :: 50
 
+// Default road colour
 ROAD_COLOUR		   :: rl.BLACK
+// Node colour once it's fully built
 NODE_DONE_COLOUR   :: rl.BROWN
+// Node colour while node is being built
 NODE_BUILD_COLOUR  :: rl.GOLD
+// Node colour while being able to start building but not doing that yet
 NODE_CURSOR_COLOUR :: rl.BLUE
+// The colour of the overlay displaying the snap radius
 NODE_SNAP_COLOUR   :: rl.PINK
 
+// Background Colour
 BACKGROUND_COLOUR  :: rl.LIGHTGRAY
\ No newline at end of file
diff --git a/common/structures.odin b/common/structures.odin
index 4d21c59..39ca9e0 100644
--- a/common/structures.odin
+++ b/common/structures.odin
@@ -2,7 +2,10 @@ package common
 
 import rl "vendor:raylib"
 
+// Stores data about intersections
 Intersection_Data :: struct {
+	// Index of the road that is intersected
 	road: u32,
+	// The exact point of intersection
 	point: rl.Vector2,
 }
\ No newline at end of file
diff --git a/simulator.odin b/simulator.odin
index 2586337..9a5aace 100644
--- a/simulator.odin
+++ b/simulator.odin
@@ -8,6 +8,8 @@ import inf "infrastructure"
 
 // PLAN AREA
 // TODO implement deleting of roads
+// TODO text/debug
+// TODO full colour constant utilisation
 
 Simulator :: struct {
 	// Stores all nodes
@@ -36,7 +38,12 @@ init :: proc() -> Simulator {
 // Destructor
 deinit :: proc(self: ^Simulator) {
 	self.temp_node_index = nil
+	
 	delete(self.roads)
+	
+	for &node in self.nodes {
+		inf.node_deinit(&node)
+	}
 	delete(self.nodes)
 }