diff --git a/src/PepperDash.Essentials.Core/JoinMaps/JoinMapBase.cs b/src/PepperDash.Essentials.Core/JoinMaps/JoinMapBase.cs
index 9fca8e12..01f71098 100644
--- a/src/PepperDash.Essentials.Core/JoinMaps/JoinMapBase.cs
+++ b/src/PepperDash.Essentials.Core/JoinMaps/JoinMapBase.cs
@@ -304,14 +304,10 @@ namespace PepperDash.Essentials.Core
         }
 
         /// <summary>
-        /// Returns the join number for the join with the specified key
+        /// Returns the join span for the join with the specified key
         /// </summary>
         /// <param name="key"></param>
         /// <returns></returns>
-        //public uint GetJoinForKey(string key)
-        //{
-        //    return Joins.ContainsKey(key) ? Joins[key].JoinNumber : 0;
-        //}
 
 
         /// <summary>
diff --git a/src/PepperDash.Essentials.Core/Routing/RouteDescriptor.cs b/src/PepperDash.Essentials.Core/Routing/RouteDescriptor.cs
index 4f07b692..aab82d38 100644
--- a/src/PepperDash.Essentials.Core/Routing/RouteDescriptor.cs
+++ b/src/PepperDash.Essentials.Core/Routing/RouteDescriptor.cs
@@ -95,9 +95,8 @@ namespace PepperDash.Essentials.Core
         /// Releases the usage tracking for the route and optionally clears the route on the switching devices.
         /// </summary>
         /// <param name="clearRoute">If true, attempts to clear the route on the switching devices (e.g., set input to null/0).</param>
-        /// <summary>
-        /// ReleaseRoutes method
-        /// </summary>
+        
+        
         public void ReleaseRoutes(bool clearRoute = false)
         {
             foreach (var route in Routes.Where(r => r.SwitchingDevice is IRouting))
@@ -138,9 +137,9 @@ namespace PepperDash.Essentials.Core
         /// Returns a string representation of the route descriptor, including source, destination, and individual route steps.
         /// </summary>
         /// <returns>A string describing the route.</returns>
-        /// <summary>
-        /// ToString method
-        /// </summary>
+        
+        
+        
         public override string ToString()
         {
             var routesText = Routes.Select(r => r.ToString()).ToArray();
diff --git a/src/PepperDash.Essentials.Core/Routing/RouteDescriptorCollection.cs b/src/PepperDash.Essentials.Core/Routing/RouteDescriptorCollection.cs
index dd4f9f7d..f389f719 100644
--- a/src/PepperDash.Essentials.Core/Routing/RouteDescriptorCollection.cs
+++ b/src/PepperDash.Essentials.Core/Routing/RouteDescriptorCollection.cs
@@ -64,8 +64,11 @@ namespace PepperDash.Essentials.Core
         }
 
         /// <summary>
-        /// RemoveRouteDescriptor method
+        /// Removes a RouteDescriptor from the collection based on the specified destination and input port key.
         /// </summary>
+        /// <param name="destination">The destination for which the route descriptor is to be removed.</param>
+        /// <param name="inputPortKey">The key of the input port associated with the route descriptor. If empty, the method will attempt to remove a descriptor based solely on the destination.</param>
+        /// <returns>The removed RouteDescriptor object if a matching descriptor was found; otherwise, null.</returns>
         public RouteDescriptor RemoveRouteDescriptor(IRoutingInputs destination, string inputPortKey = "")
         {
             Debug.LogMessage(LogEventLevel.Information, "Removing route descriptor for '{destination}':'{inputPortKey}'", destination.Key ?? null, string.IsNullOrEmpty(inputPortKey) ? "auto" : inputPortKey);
diff --git a/src/PepperDash.Essentials.Core/Routing/RoutingPortCollection.cs b/src/PepperDash.Essentials.Core/Routing/RoutingPortCollection.cs
index 14758d79..7ee349b5 100644
--- a/src/PepperDash.Essentials.Core/Routing/RoutingPortCollection.cs
+++ b/src/PepperDash.Essentials.Core/Routing/RoutingPortCollection.cs
@@ -5,7 +5,7 @@ using System.Linq;
 namespace PepperDash.Essentials.Core
 {
  /// <summary>
- /// Represents a RoutingPortCollection
+ /// Represents a RoutingPortCollection, which is essentially a List with an indexer for case-insensitive lookup of ports by their key names.
  /// </summary>
 	public class RoutingPortCollection<T> : List<T> where T: RoutingPort
 	{
diff --git a/src/PepperDash.Essentials.Core/Routing/TieLine.cs b/src/PepperDash.Essentials.Core/Routing/TieLine.cs
index d85f1c88..42f024b4 100644
--- a/src/PepperDash.Essentials.Core/Routing/TieLine.cs
+++ b/src/PepperDash.Essentials.Core/Routing/TieLine.cs
@@ -128,7 +128,8 @@ namespace PepperDash.Essentials.Core
     //********************************************************************************
 
     /// <summary>
-    /// Represents a TieLineCollection
+    /// Represents a collection of <see cref="TieLine"/> objects, which define signal paths for routing algorithms.
+    /// This class provides functionality for managing tie lines and includes a singleton instance for global access.
     /// </summary>
     public class TieLineCollection : List<TieLine>
     {
diff --git a/src/PepperDash.Essentials.Core/Routing/TieLineConfig.cs b/src/PepperDash.Essentials.Core/Routing/TieLineConfig.cs
index 7c09a40d..8143c1f5 100644
--- a/src/PepperDash.Essentials.Core/Routing/TieLineConfig.cs
+++ b/src/PepperDash.Essentials.Core/Routing/TieLineConfig.cs
@@ -29,7 +29,7 @@ namespace PepperDash.Essentials.Core.Config
 		public string SourceCard { get; set; }
 		
   /// <summary>
-  /// Gets or sets the SourcePort
+  /// The key of the source output port, used for routing configurations.
   /// </summary>
 		public string SourcePort { get; set; }