Updated track's configuration.

config.json

@@ -8,17 +8,99 @@
     "representer": false,
     "analyzer": false
   },
-  "blurb": "",
+  "blurb": "Red is a next-generation full stack programming language, strongly inspired by REBOL.",
   "version": 3,
   "online_editor": {
-    "indent_style": "space",
+    "indent_style": "tab",
     "indent_size": 4
   },
+  "concepts": [
+    {
+      "slug": "values",
+      "name": "Values",
+      "blurb": "Values are data.",
+      "uuid": "88ecb9e0-2905-4f69-bb05-807f662cb582"
+    },
+    {
+      "slug": "types",
+      "name": "Types",
+      "blurb": "Each value has a type. Red allows you to choose from more than 50 types.",
+      "uuid": "742888d9-c939-466b-abdb-1f8b43399f86"
+    },
+    {
+      "slug": "words",
+      "name": "Words",
+      "blurb": "Words are names for data",
+      "uuid": "6b8150e5-dfeb-4273-b020-240dc025190b"
+    },
+    {
+      "slug": "blocks",
+      "name": "Blocks",
+      "blurb": "Blocks are groups of words and variables.",
+      "uuid": "8e760b20-e8a9-4b66-93a3-413c10726983"
+    },
+    {
+      "slug": "evaluation",
+      "name": "Evaluation",
+      "blurb": "Evaluation makes a values from some code.",
+      "uuid": "5fd2a02f-60d0-4f9f-b44d-808d6d625558"
+    },
+    {
+      "slug": "debugging",
+      "name": "Debugging",
+      "blurb": "Debugging is a process of finding errors in code.",
+      "uuid": "4bb97232-6f21-439e-bcf6-64cf5765d091"
+    },
+    {
+      "slug": "strings-series",
+      "name": "Strings and other series.",
+      "blurb": "Strings are values of type string!. Strings usually represent text.",
+      "uuid": "a936c324-9503-4acc-968f-ab18b8092ed0"
+    },
+    {
+      "slug": "functions",
+      "name": "Functions",
+      "blurb": "Functions usually do something useful. And they usually return a value.",
+      "uuid": "af09604a-bbfc-460f-8b78-5850abf16bea"
+    },
+    {
+      "slug": "contexts",
+      "name": "Contexts",
+      "blurb": "Context is a set of words and their values.",
+      "uuid": "f6dcf1e4-df5c-4cb9-bf35-26ff883ae796"
+    },
+    {
+      "slug": "view",
+      "name": "View",
+      "blurb": "View is Red's module used for programming grapfical user interface.",
+      "uuid": "e09fd445-ad55-4c04-a7f8-fa4b78e1cfbb"
+    },
+    {
+      "slug": "vid",
+      "name": "VID",
+      "blurb": "VID is a dialect useful for easily defining GUI objects and layouts.",
+      "uuid": "e09fd445-ad55-4c04-a7f8-fa4b78e1cfbb"
+    }
+  ],
+  "tags": [
+    "paradigm/imperative",
+    "paradigm/functional",
+    "typing/dynamic",
+    "typing/strong",
+    "execution_mode/compiled",
+    "execution_mode/interpreted",
+    "platform/windows",
+    "platform/mac",
+    "platform/linux",
+    "runtime/standalone_executable",
+    "used_for/cross_platform_development",
+    "used_for/games",
+    "used_for/guis",
+    "used_for/scripts"
+  ],
+  "key_features": [],
   "exercises": {
     "concept": [],
     "practice": []
-  },
-  "concepts": [],
-  "key_features": [],
-  "tags": []
+  }
 }