diff --git a/DisplayManager.h b/DisplayManager.h
index 828d6e8..6cd73ae 100644
--- a/DisplayManager.h
+++ b/DisplayManager.h
@@ -1,3 +1,33 @@
+/*
+Name: DisplayManager
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Manage the display of CPU information and the binary search tree
+Input: HashTable and BinarySearchTree objects
+Output: Displayed CPU information and tree structure
+Procedure: Uses the HashTable and BinarySearchTree to retrieve and display information
+*/
+
+/*
+Name: displayAll
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Display all CPUs in the database
+Input: None
+Output: List of all CPUs sorted by their ID
+Procedure: Iterates through the HashTable and displays each CPU's information
+*/
+
+/*
+Name: displayTree
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Display the BST as an indented tree
+Input: None
+Output: Indented representation of the binary search tree
+Procedure: Performs an inorder traversal of the BST, displaying each node with appropriate indentation
+*/
+
 #ifndef DISPLAY_MANAGER_H
 #define DISPLAY_MANAGER_H
 
diff --git a/SearchManager.h b/SearchManager.h
index 7111667..cb989bf 100644
--- a/SearchManager.h
+++ b/SearchManager.h
@@ -1,3 +1,24 @@
+/*
+Name: SearchManager
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Manage the search functionality for CPUs
+Input: HashTable object
+Output: Search results or error messages
+Procedure: Prompts user for search criteria, uses the HashTable to find matching CPUs, and displays results
+*/
+
+/*
+Name: searchCPU
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Search for a CPU by its ID
+Input: CPU ID (string)
+Output: CPU information if found, or a "not found" message
+Procedure: Uses the HashTable's search function to find the CPU, then displays its information
+*/
+
+
 #ifndef SEARCH_MANAGER_H
 #define SEARCH_MANAGER_H
 
diff --git a/Stack.h b/Stack.h
index 589f6c3..d0950a4 100644
--- a/Stack.h
+++ b/Stack.h
@@ -1,3 +1,63 @@
+/*
+Name: Stack
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Implement a generic stack data structure
+Input: Template parameter T for the type of elements stored in the stack
+Output: N/A
+Procedure: Uses a linked list of StackNodes to store elements in a Last-In-First-Out (LIFO) order
+*/
+
+/*
+Name: push
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Add an element to the top of the stack
+Input: Element of type T to be added
+Output: None
+Procedure: Creates a new StackNode with the input data and adds it to the top of the stack
+*/
+
+/*
+Name: pop
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Remove and return the top element from the stack
+Input: None
+Output: Element of type T that was at the top of the stack
+Procedure: Removes the top StackNode, returns its data, and updates the stack accordingly
+*/
+
+/*
+Name: peek
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Return the top element of the stack without removing it
+Input: None
+Output: Element of type T that is at the top of the stack
+Procedure: Returns the data of the top StackNode without modifying the stack
+*/
+
+/*
+Name: isEmpty
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Check if the stack is empty
+Input: None
+Output: Boolean indicating whether the stack is empty
+Procedure: Returns true if the stack contains no elements, false otherwise
+*/
+
+/*
+Name: getCount
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Get the number of elements in the stack
+Input: None
+Output: Integer representing the number of elements in the stack
+Procedure: Returns the count of elements currently in the stack
+*/
+
 #ifndef INC_08_TEAM_PROJECT_STACK_H
 #define INC_08_TEAM_PROJECT_STACK_H
 
diff --git a/StackNode.h b/StackNode.h
index 50ac216..724dc02 100644
--- a/StackNode.h
+++ b/StackNode.h
@@ -1,3 +1,13 @@
+/*
+Name: StackNode
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Represent a single node in the Stack data structure
+Input: Template parameter T for the type of data stored in the node
+Output: N/A
+Procedure: Stores an element of data and a pointer to the next StackNode in the stack
+*/
+
 #ifndef INC_08_TEAM_PROJECT_STACKNODE_H
 #define INC_08_TEAM_PROJECT_STACKNODE_H
 
diff --git a/UndoManager.h b/UndoManager.h
index b08ca16..374bfd8 100644
--- a/UndoManager.h
+++ b/UndoManager.h
@@ -1,3 +1,33 @@
+/*
+Name: UndoManager
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Manage the undo delete functionality
+Input: HashTable, BinarySearchTree, and Stack objects
+Output: Messages confirming undo operations
+Procedure: Uses a Stack to keep track of deleted CPUs and reinserts them when undoing a deletion
+*/
+
+/*
+Name: addToUndoStack
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Add a deleted CPU to the undo stack
+Input: CPU object
+Output: None
+Procedure: Pushes the deleted CPU onto the undo stack
+*/
+
+/*
+Name: undoDelete
+Written By: Kevin Galvan Serrano
+Modified By: 
+Purpose: Undo the most recent CPU deletion
+Input: None
+Output: Message confirming the undo operation
+Procedure: Pops a CPU from the undo stack and reinserts it into the HashTable and BinarySearchTree
+*/
+
 #ifndef UNDO_MANAGER_H
 #define UNDO_MANAGER_H