Hi! Could I please be assigned to this issue? Hey Iluwatar! I've finished my addition, please let me know if you need me to change anything!
Explanation for Feature Toggle
In this issue, let's add a proper explanation for the pattern.

Acceptance criteria

- The pattern's README.md has been amended with an explanation
- The explanation consists of
  - Real world example
  - In plain words
  - Wikipedia says
  - Programmatic example

feature-toggle/README.md
feature-toggle/README.md
diff --git a/feature-toggle/README.md b/feature-toggle/README.md
index 915a255690da..982108bc7440 100644
--- a/feature-toggle/README.md
+++ b/feature-toggle/README.md
@@ -10,10 +10,53 @@ tag:
 Feature Flag
 
 ## Intent
-Used to switch code execution paths based on properties or groupings. Allowing new features to be released, tested
-and rolled out. Allowing switching back to the older feature quickly if needed. It should be noted that this pattern,
-can easily introduce code complexity. There is also cause for concern that the old feature that the toggle is eventually
-going to phase out is never removed, causing redundant code smells and increased maintainability.
+A technique used in software development to control and manage the rollout of specific features or functionality in a 
+program without changing the code. It can act as an on/off switch for features depending on the status or properties of
+other values in the program. This is similar to A/B testing, where features are rolled out based on properties such as
+location or device. Implementing this design pattern can increase code complexity, and it is important to remember to
+remove redundant code if this design pattern is being used to phase out a system or feature.
+
+## Explanation
+Real-world Example
+> This design pattern works really well in any sort of development, in particular mobile development. Say you want to
+> introduce a feature such as dark mode, but you want to ensure that the feature works correctly and don't want to roll
+> out the feature to everyone immediately. You write in the code, and have it switched off as default. From here, it is
+> easy to turn on the code for specific users based on selection criteria, or randomly. This will also allow the feature
+> to be turned off easily without any drastic changes to the code, or any need for redeployment or updates.
+
+In plain words
+> Feature Toggle is a way to introduce new features gradually instead of deployment all at once.
+
+Wikipedia says
+> A feature toggle in software development provides an alternative to maintaining multiple feature branches in source 
+> code. A condition within the code enables or disables a feature during runtime. In agile settings the toggle is 
+> used in production, to switch on the feature on demand, for some or all the users.
+
+## Programmatic Example
+This example shows Java code that allows a feature to show when it is enabled by the developer, and when a user is a 
+Premium member of the application. This is useful for subscription locked features.
+```java
+public class FeatureToggleExample {
+    // Bool for feature enabled or disabled
+    private static boolean isNewFeatureEnabled = false;
+
+    public static void main(String[] args) {
+        boolean userIsPremium = true; // Example: Check if the user is a premium user
+
+        // Check if the new feature should be enabled for the user
+        if (userIsPremium && isNewFeatureEnabled) {
+            // User is premium and the new feature is enabled
+            showNewFeature();
+        }
+    }
+
+    private static void showNewFeature() {
+        // If user is allowed to see locked feature, this is where the code would go
+    }
+}
+```
+The code shows how simple it is to implement this design pattern, and the criteria can be further refined or broadened
+should the developers choose to do so.
 
 ## Class diagram
 ![alt text](./etc/feature-toggle.png "Feature Toggle")
@@ -24,7 +67,20 @@ Use the Feature Toggle pattern when
 * Giving different features to different users.
 * Rolling out a new feature incrementally.
 * Switching between development and production environments.
+* Quickly disable problematic features
+* External management of feature deployment
+* Ability to maintain multiple version releases of a feature
+* 'Hidden' deployment, releasing a feature in code for designated testing but not publicly making it available
+
+## Consequences
+Consequences involved with using the Feature Toggle pattern
+
+* Code complexity is increased
+* Testing of multiple states is harder and more time-consuming
+* Confusion between friends on why features are missing
+* Keeping documentation up to date with all features can be difficult 
 
 ## Credits
 
 * [Martin Fowler 29 October 2010 (2010-10-29).](http://martinfowler.com/bliki/FeatureToggle.html)
+* [Feature Toggle - Java Design Patterns](https://java-design-patterns.com/patterns/feature-toggle/)
