diff --git a/test.json5 b/test.json5
index 636668e..c70cbb0 100644
--- a/test.json5
+++ b/test.json5
@@ -1,3 +1,5 @@
+// Now the file with the extension .json5, but then it will be .onla
+
 [
   //print functions
   {
@@ -18,4 +20,72 @@
   //Exit functions
   "Exit",
   "ErrExit",
+
+  //TODO CONCEPTS ---------------------
+
+  //variables------------
+
+  //defining variables
+  {
+    let: {
+      var: "value",
+      anotherVar: true,
+    },
+  },
+
+  //print variables
+  { print: "@var" },
+  ["This is ", "@var"],
+
+  //assign variables
+  {
+    assign: { var: "newvalue" },
+  },
+
+  //-------------------
+
+  //math--------------
+  {
+    calc: ["@var", "+", 1],
+  },
+
+  //or
+  {
+    calc: ["@var", "+", { calc: [1, "*", 2] }],
+  },
+  //------------------
+
+  //comparison--------
+  {
+    comp: [1, ">=", "@var"],
+  },
+  //or
+  {
+    comp: [
+      { comp: [{ calc: [1, "+", 1] }, ">", 1] },
+      "&&",
+      { comp: ["@var", ">=", 2] },
+    ],
+  },
+  //------------------
+
+  //cycles
+  {
+    loop: [
+      {
+        let: {
+          var: "val",
+        },
+      },
+      "@var",
+    ],
+  },
+  {
+    while: {
+      cond: { comp: [1, ">=", "@var"] },
+      body: [
+        //commands
+      ],
+    },
+  },
 ]