diff --git a/README.org b/README.org
index fe523d2..3a96110 100644
--- a/README.org
+++ b/README.org
@@ -34,17 +34,17 @@
   - =real= type (f32). 
   - =int= for integer numbers (i32).
   - =nat= for unsigned integer numbers (u32).
-  - =byte= for interop (u8, i64, etc.).
-  - 3D math primitives: =vec=, =mat=, =quat=, and more.
-  - Strings with interpolation, =split=, =replace=, =trim=, etc.
+  - =byte= arrays for interop (u8, i64, etc.).
+  - =str= Strings with interpolation, =split=, =replace=, =trim=, etc.
   - Error handling:
     - try-catch
     - Null coalescing (=??=) and null checks (=?.=).
+  - Fortran style array operations.
   - Lightweight coroutines with event-loop-driven multitasking.
   - FFI via C-defined "system calls" (examples provided in VM).
 
 ** Modularity & Ecosystem
-  - C-like arrays with fat pointers.
+  - Fortran-like arrays.
   - Standard library: math, networking, 3D rendering, minimal GUI.
   - =use= keyword for modular code organization via file-based namespaces.
 
@@ -55,8 +55,7 @@
    - Portable to new systems, microcontrollers, and web via Emscripten.
 
 ** Memory Management
-   - Reference counting for globally scoped objects.
-   - =weak= keyword to avoid cyclical references.
+   - Frame scoped arena allocators
 
 ** Rendering & I/O
    - SDL2-based abstraction for input, audio, and rendering.
diff --git a/docs/SPECIFICATION.org b/docs/SPECIFICATION.org
index ed640c1..cf3524f 100644
--- a/docs/SPECIFICATION.org
+++ b/docs/SPECIFICATION.org
@@ -353,10 +353,10 @@ fn «token» («parameter» «type», ...) «return_type» {
 :CUSTOM_ID: loops
 :END:
 #+begin_src zre
-for («token» in «collection») { «body» }
+for («variable» in «collection») { «body» }
 #+end_src zre
 
-iterates through each object in the collection setting it to token
+iterates through each object in the collection setting it to variable
 
 #+begin_src zre
 while («boolean expression») { «body» }
@@ -365,7 +365,7 @@ while («boolean expression») { «body» }
 loops until the expression is false
 
 #+begin_src zre
-do (let «variable» = initial_value, end_value, increment) { «body» }
+do («variable» = initial_value, end_value, increment) { «body» }
 #+end_src zre
 
 loops from initial value to end value by increment value (like a for loop in other languages)
diff --git a/docs/project-syntax-example/src/client.zre b/docs/project-syntax-example/src/client.zre
index 1e5984c..b9aab18 100644
--- a/docs/project-syntax-example/src/client.zre
+++ b/docs/project-syntax-example/src/client.zre
@@ -7,7 +7,7 @@ fn main(argc real, argv str[]) {
   let username = argv[0]; ! implied str 
   let password = argv[1]; ! implied str
 
-  let me = Player(username, Vec3(0.0, 1.0, 2.0), PURPLE); ! implied Player struct
+  let me = Player(username, [0.0, 1.0, 2.0], PURPLE); ! implied Player struct
 
   let running = true;
   while (running) {
@@ -22,12 +22,12 @@ fn main(argc real, argv str[]) {
       }
       splitbox(parent.size 0.75) {
         canvas("3D") {
-          model(Floor(Vec3(0, 0, 0), 30));
+          model(Floor([0, 0, 0], 30));
           me.update();
-          model(Cube(me.pos, Vec3(0.5, 0.5, 0.5), me.appearance));
+          model(Cube(me.pos, [0.5, 0.5, 0.5], me.appearance));
           if (let players = me.server.read("players")) {
             for (p in players) {
-              model(Cube(p.pos, Vec3(0.5, 0.5, 0.5), p.apperance));
+              model(Cube(p.pos, [0.5, 0.5, 0.5], p.apperance));
             }
           }
         }
diff --git a/docs/project-syntax-example/src/common.zre b/docs/project-syntax-example/src/common.zre
index 478dadf..32eaa66 100644
--- a/docs/project-syntax-example/src/common.zre
+++ b/docs/project-syntax-example/src/common.zre
@@ -7,10 +7,10 @@
 ! Camera .
 !!
 type Camera {
-  init(pos Vec3, look Vec3) {
+  init(pos [3]real, look [3]real) {
     this.setting = "CAMERA_PERSPECTIVE";
     this.pov = 45.0;
-    this.up = Vec3(0.0, 1.0, 0.0);
+    this.up = [0.0, 1.0, 0.0];
     this.pos = pos;
     this.look = look;
   }
@@ -20,13 +20,13 @@ type Camera {
 ! Player .
 !!
 type Player {
-  init(username str, pos Vec3, color Color) {
+  init(username str, pos real[3], color Color) {
     this.server = Client("tcp://localhost:25565");
     this.username = username;
     this.pos = pos;
     this.color = color;
     this.camera =
-        Camera((this.pos.x + 10.0, this.pos.y + 10.0, this.pos.z), this.pos);
+        Camera([this.pos.x + 10.0, this.pos.y + 10.0, this.pos.z], this.pos);
   }
 
   login(str password) Player[] {
diff --git a/docs/project-syntax-example/src/server.zre b/docs/project-syntax-example/src/server.zre
index 4488dc5..d871529 100644
--- a/docs/project-syntax-example/src/server.zre
+++ b/docs/project-syntax-example/src/server.zre
@@ -3,7 +3,7 @@ use "common.ztl";
 fn main(argc real, argv str[]) {
   let s = Server("tcp://0.0.0.0:25565");
   let running = true;
-  let players = [Player("user", [0, 0, 0], RED)];
+  let players = [Player("user", [0., 0., 0.], RED)];
   while (running) {
     if (let client = s.accept("players")) {
       if (let message = client.get()) {
diff --git a/test/add-func.zre b/test/add-func.zre
index cc77d10..3daefa7 100644
--- a/test/add-func.zre
+++ b/test/add-func.zre
@@ -1,4 +1,4 @@
-fn add(a int, b int) int {
+fn add(int a, int b) int {
   return a + b;
 }