diff --git a/draft/README.md b/draft/README.md
new file mode 100644
index 0000000..581a085
--- /dev/null
+++ b/draft/README.md
@@ -0,0 +1,85 @@
+# Interactive Story Draft (ISD) Specification
+
+- **File Format:** `.isd`
+
+The Interactive Story Draft (ISD) format is a intermediate language designed for drafting interactive fiction before implementation in Twine’s Harlowe or similar engines. It allows authors to structure branching narratives, define conditions, and track variables efficiently.
+
+---
+
+### Specifications
+
+1. **Passages:**
+   
+   - **Syntax:** `:: PassageName`
+   - **Description:** Defines a new passage or section in the story.
+
+2. **Links:**
+   
+   - **Syntax:** `[[Link Text -> TargetPassage]]`
+   - **Description:** Creates a navigational link to another passage.
+
+3. **Variables:**
+   
+   - **Syntax:** `$variableName`
+   - **Description:** Represents a variable to track states or information.
+
+4. **Variable Assignment:**
+   
+   - **Syntax:** `(set: $variableName to value)`
+   - **Description:** Assigns a value to a variable.
+
+5. **Conditional Statements:**
+   
+   - **Syntax:** `(if: condition)[Text if true]`
+   - **Description:** Displays text or content based on a condition.
+
+6. **Else Clause:**
+   
+   - **Syntax:** `(else:)[Text if false]`
+   - **Description:** Follows an `(if:)` statement to handle the false condition.
+
+7. **Random Number Generation:**
+   
+   - **Syntax:** `(set: $variableName to (random: min, max))`
+   - **Description:** Sets a variable to a random number between `min` and `max`.
+
+8. **Text Styling:**
+   
+   - **Syntax:** `''italic''`, `'''bold'''`, `^^superscript^^`, `~~subscript~~`
+   - **Description:** Applies basic text formatting.
+
+### Usage
+
+```
+:: Introduction
+Welcome to your adventure! You find yourself at a crossroads.
+
+[[Take the left path -> LeftPath]]
+[[Take the right path -> RightPath]]
+
+:: LeftPath
+You walk down the left path and encounter a mysterious stranger.
+
+(set: $hasKey to true)
+The stranger gives you a key.
+
+[[Continue -> Crossroads]]
+
+:: RightPath
+You walk down the right path and find a locked door.
+
+(if: $hasKey)[
+    You use the key to unlock the door and discover a treasure!
+]
+(else:)[
+    The door is locked. You need a key to open it.
+]
+
+[[Return to the crossroads -> Crossroads]]
+
+:: Crossroads
+You're back at the crossroads.
+
+[[Take the left path -> LeftPath]]
+[[Take the right path -> RightPath]]
+```
diff --git a/draft/sample.isd b/draft/sample.isd
new file mode 100644
index 0000000..a86a23d
--- /dev/null
+++ b/draft/sample.isd
@@ -0,0 +1,31 @@
+:: Introduction
+Welcome to your adventure! You find yourself at a crossroads.
+
+[[Take the left path -> LeftPath]]
+[[Take the right path -> RightPath]]
+
+:: LeftPath
+You walk down the left path and encounter a mysterious stranger.
+
+(set: $hasKey to true)
+The stranger gives you a key.
+
+[[Continue -> Crossroads]]
+
+:: RightPath
+You walk down the right path and find a locked door.
+
+(if: $hasKey)[
+    You use the key to unlock the door and discover a treasure!
+]
+(else:)[
+    The door is locked. You need a key to open it.
+]
+
+[[Return to the crossroads -> Crossroads]]
+
+:: Crossroads
+You're back at the crossroads.
+
+[[Take the left path -> LeftPath]]
+[[Take the right path -> RightPath]]
diff --git a/StarterKit.twee b/src/StarterKit.twee
similarity index 100%
rename from StarterKit.twee
rename to src/StarterKit.twee