diff --git a/src/dreammaker/builtins.rs b/src/dreammaker/builtins.rs
index 34fe2a80..da7a6df9 100644
--- a/src/dreammaker/builtins.rs
+++ b/src/dreammaker/builtins.rs
@@ -217,8 +217,9 @@ pub fn register_builtins(tree: &mut ObjectTree) -> Result<(), DMError> {
     }
 
     entries! {
-        var/const/vars;
-        // directions
+        var/const/vars;  // "/DM/vars"
+
+        // enum /atom/var/dir
         var/const/NORTH = int!(1);
         var/const/SOUTH = int!(2);
         var/const/EAST = int!(4);
@@ -230,7 +231,7 @@ pub fn register_builtins(tree: &mut ObjectTree) -> Result<(), DMError> {
         var/const/UP = int!(16);
         var/const/DOWN = int!(32);
 
-        // eye and sight
+        // enum /mob/var/sight
         var/const/BLIND = int!(1);
         var/const/SEE_MOBS = int!(4);
         var/const/SEE_OBJS = int!(8);
@@ -241,36 +242,39 @@ pub fn register_builtins(tree: &mut ObjectTree) -> Result<(), DMError> {
         var/const/SEE_THRU = int!(512);
         var/const/SEE_BLACKNESS = int!(1024);
 
+        // enum /client/var/perspective
         var/const/MOB_PERSPECTIVE = int!(0);
         var/const/EYE_PERSPECTIVE = int!(1);
         var/const/EDGE_PERSPECTIVE = int!(2);
 
         // layers
-        var/const/FLOAT_LAYER = int!(-1);
-        var/const/AREA_LAYER = int!(1);
+        var/const/FLOAT_LAYER = int!(-1);  // "/atom/var/overlays"
+        var/const/AREA_LAYER = int!(1);  // "/atom/var/layer"...
         var/const/TURF_LAYER = int!(2);
         var/const/OBJ_LAYER = int!(3);
         var/const/MOB_LAYER = int!(4);
         var/const/FLY_LAYER = int!(5);
-        var/const/EFFECTS_LAYER = int!(5000);
-        var/const/TOPDOWN_LAYER = int!(10000);
-        var/const/BACKGROUND_LAYER = int!(20000);
-        var/const/FLOAT_PLANE = int!(-32767);
+        var/const/EFFECTS_LAYER = int!(5000);  // "/{notes}/EFFECTS_LAYER"
+        var/const/TOPDOWN_LAYER = int!(10000);  // "/{notes}/TOPDOWN_LAYER"
+        var/const/BACKGROUND_LAYER = int!(20000);  // "/{notes}/BACKGROUND_LAYER"
+        var/const/FLOAT_PLANE = int!(-32767);  // "/atom/var/plane"
 
-        // map formats
-        var/const/TOPDOWN_MAP = int!(0);
-        var/const/ISOMETRIC_MAP = int!(1);
-        var/const/SIDE_MAP = int!(2);
-        var/const/TILED_ICON_MAP = int!(32768);
+        // enum /world/var/map_format
+        var/const/TOPDOWN_MAP = int!(0);  // "/{notes}/topdown"
+        var/const/ISOMETRIC_MAP = int!(1);  // "/{notes}/isometric"
+        var/const/SIDE_MAP = int!(2);  // "/{notes}/side"
+        var/const/TILED_ICON_MAP = int!(32768);  // "/{notes}/tiled-icons"
 
         var/const/TRUE = int!(1);
         var/const/FALSE = int!(0);
 
+        // enum /mob/var/gender
         var/const/MALE = string!("male");
         var/const/FEMALE = string!("female");
         var/const/NEUTER = string!("neuter");
         var/const/PLURAL = string!("plural");
 
+        // enum /DM/mouse/pointers
         var/const/MOUSE_INACTIVE_POINTER = int!(0);
         var/const/MOUSE_ACTIVE_POINTER = int!(1);
         var/const/MOUSE_DRAG_POINTER = int!(3);
@@ -286,16 +290,17 @@ pub fn register_builtins(tree: &mut ObjectTree) -> Result<(), DMError> {
         var/const/MOUSE_SHIFT_KEY = int!(16);
         var/const/MOUSE_ALT_KEY = int!(32);
 
+        // enum /world/var/system_type
         var/const/MS_WINDOWS = string!("MS Windows");
         var/const/UNIX = string!("UNIX");
 
-        // sound
+        // enum /sound/var/status
         var/const/SOUND_MUTE = int!(1);
         var/const/SOUND_PAUSED = int!(2);
         var/const/SOUND_STREAM = int!(4);
         var/const/SOUND_UPDATE = int!(16);
 
-        // blend_mode
+        // enum /atom/var/blend_mode
         var/const/BLEND_DEFAULT = int!(0);
         var/const/BLEND_OVERLAY = int!(1);
         var/const/BLEND_ADD = int!(2);
@@ -306,25 +311,27 @@ pub fn register_builtins(tree: &mut ObjectTree) -> Result<(), DMError> {
         // this is just a procstyle syntax wrapper for \ref[foo]
         proc/ref(A);
 
-        // alpha mask filter
+        // alpha mask filter, /{notes}/filters/alpha
         var/const/MASK_INVERSE = int!(1);
         var/const/MASK_SWAP = int!(2);
 
-        // rgb filter
+        // rgb filter, /{notes}/filters/color
         var/const/FILTER_COLOR_RGB = int!(0);
         var/const/FILTER_COLOR_HSV = int!(1);
         var/const/FILTER_COLOR_HSL = int!(2);
         var/const/FILTER_COLOR_HCY = int!(3);
 
         // layering / ray filter
+        // described in /{notes}/filters/rays
+        // also mentioned in /{notes}/filters/layer
         var/const/FILTER_OVERLAY = int!(1);
         var/const/FILTER_UNDERLAY = int!(2);
 
         // wave filter / ripple filter
-        var/const/WAVE_SIDEWAYS = int!(1);
-        var/const/WAVE_BOUNDED = int!(2);
+        var/const/WAVE_SIDEWAYS = int!(1);  // wave only, "/{notes}/filters/wave"
+        var/const/WAVE_BOUNDED = int!(2);  // wave and also "/{notes}/filters/ripple"
 
-        // outline filter
+        // outline filter, /{notes}/filters/outline
         var/const/OUTLINE_SHARP = int!(1);
         var/const/OUTLINE_SQUARE = int!(2);