diff --git a/app/audit/__init__.py b/app/audit/__init__.py
index e69de29..a34fd31 100644
--- a/app/audit/__init__.py
+++ b/app/audit/__init__.py
@@ -0,0 +1,9 @@
+"""
+This module is reserved for future implementation of audit logging and compliance features.
+
+Current implementation of audit logging can be found in `app.core.audit`.
+Future expansion may include:
+- Comprehensive audit trails for all system actions
+- Compliance reporting (e.g., for industrial control systems)
+- Anomaly detection in user behavior
+"""
diff --git a/app/crypto/__init__.py b/app/crypto/__init__.py
index e69de29..868dc25 100644
--- a/app/crypto/__init__.py
+++ b/app/crypto/__init__.py
@@ -0,0 +1,10 @@
+"""
+This module is reserved for future implementation of advanced cryptographic operations.
+
+Current basic encryption (Fernet) and password hashing are implemented in `app.core.encryption` and `app.core.security`.
+Future expansion may include:
+- Asymmetric encryption (RSA/ECC) for secure communication
+- Key management and rotation services
+- Integration with Hardware Security Modules (HSM)
+- Digital signatures for data integrity verification
+"""
diff --git a/app/tasks/__init__.py b/app/tasks/__init__.py
index e69de29..3ca1a8e 100644
--- a/app/tasks/__init__.py
+++ b/app/tasks/__init__.py
@@ -0,0 +1,10 @@
+"""
+This module is reserved for future implementation of background tasks and job queues.
+
+Currently, most operations are handled synchronously or via simple async functions in `app.services`.
+Future expansion may include:
+- Integration with task queues like Celery or RQ
+- Scheduled jobs (Cron-like) for maintenance and data synchronization
+- Long-running simulation orchestration
+- Email/Notification dispatching
+"""
diff --git a/app/utils/__init__.py b/app/utils/__init__.py
index e69de29..04f21c8 100644
--- a/app/utils/__init__.py
+++ b/app/utils/__init__.py
@@ -0,0 +1,13 @@
+"""
+This module is reserved for general utility functions and helpers.
+
+Currently, specific utilities are often implemented within their respective service modules
+(e.g., time handling in `app.services.time_api`) or core modules.
+
+Future expansion may include:
+- Date and time manipulation helpers
+- String and text processing utilities
+- File I/O and path management tools
+- Mathematical and unit conversion functions
+- Network and IP address utilities
+"""