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+digraph overview {
+	fontname = Arial;
+	labelloc = t;
+	label = "Eyes and Ears";
+	fontsize = 20;
+	node [fontname = Arial];
+	MainPage -> ViewModel -> Services;
+	ViewModel -> MainPage;
+	Services -> ViewModel;
+	MainPage -> Services;
+	Services -> MainPage;
+	Models -> ViewModel;
+	Models -> MainPage;
+	Models -> Services;
+	MainPage [style = filled, color = lightblue, label="MainPage (View and Code-Behind)"];
+	ViewModel [label = "ViewModels/MainPageVM"];
+}
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+digraph overview {
+	subgraph cluster0 {
+		label = "Main System";
+		fontname=Arial;
+		fontsize=20;
+		node [style=filled,color=white,fontname=Arial];
+		style=filled;
+                color=lightblue;
+		l1 -> Server -> r1;
+		l2 -> Server -> r2;
+		r1 -> Server;
+		r2 -> Server;
+		l1 [label = "Light Meter 1"];
+		l2 [label = "Light Meter 2"];
+		r1 [label = "Relay 1"];
+		r2 [label = "Relay 2"];
+	}
+	e -> Server;
+	Server -> e;
+	e [label = "Eyes and Ears",fontname=Arial;];
+}
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+# Return to Ritherdon: Eyes and Ears
+
+Eyes and Ears is a Windows UWP 'Dashboard App.' which monitors the
+overall artwork, 'Personal Flash in Real-Time' -- which is one of
+several artworks in the 'Return to Ritherdon' project. For more
+information on the 'Return to Ritherdon' project, please use the
+following link:
+
+- [Return to Ritherdon Overview](https://git.abbether.net/return-to-ritherdon/rtr-docs)
+
+![Screenshot 1](./attachments/eyes-and-ears-screenshot-1.png)
+
+![Screenshot 2](./attachments/eyes-and-ears-screenshot-2.png)
+
+## Overview of Eyes and Ears Fits into the 'Personal Flash in Real-Time' System
+
+For the purpose of this documentation, I will refer to 'Personal Flash
+in Real-Time' as a 'system' instead of an 'artwork'. The reason why is
+becaues of the context we are viewing the various (sub-)projects and
+their components in.
+
+First of all, Eyes and Ears is not an essential part of the system. It
+is a nice to have. There are three smaller projects which combine to
+create the whole 'Personal Flash in Real-Time' system. On top of that,
+they reside in different places across the U.K. which makes it
+difficult to see what state the whole system is in at any one
+moment. It is not unsurmountable but this dashboard app. helps.
+
+![System Overview](./attachments/system-overview.png)
+
+## Technology Overview
+
+Because of the nature of 'Personal Flash in Real-Time', Eyes and Ears
+has no long term maintainence concerns. So, the code is a bit of a
+mess. The biggest mess is the lack of seperation between the code in
+the view (`MainPage.cs`) and the view-model (`MainPageVM.cs`). If
+anything, I think it would be easier to re-write Eyes and Ears than
+look to add new features.
+
+Eyes and Ears in written in C# and the Universal Windows Platform
+(UWP) and targets Windows 10. I should point out **Microsoft is moving
+away from UWP so you should view this application as obsolete**.
+
+- [Universal Windows Platform (UWP)](https://docs.microsoft.com/en-us/windows/uwp/)
+- [Article on Microsoft dropping UWP](https://www.techradar.com/news/microsoft-is-finally-dropping-uwp-app-support-windows-app-sdk-heres-why)
+
+The project's structure is a typical UWP one. There are a lot of files
+you do not need to touch so I have highlighted the files/directories
+you will spend the most time in with `(AREA OF INTEREST)`.
+
+```shell
+./src
+    └── EyesAndEars.UWP
+        ├── EyesAndEars.UWP
+        │   ├── AppPackages
+        │   ├── App.xaml
+        │   ├── App.xaml.cs
+        │   ├── Assets
+        │   ├── bin
+        │   ├── BundleArtifacts
+        │   ├── EyesAndEars.UWP.csproj
+        │   ├── EyesAndEars.UWP.csproj.user
+        │   ├── EyesAndEars.UWP_TemporaryKey.pfx
+        │   ├── images
+        │   ├── MainPage.xaml <------ (AREA OF INTEREST)
+        │   ├── MainPage.xaml.cs <--- (AREA OF INTEREST)
+        │   ├── Models <------------- (AREA OF INTEREST)
+        │   ├── obj
+        │   ├── Package.appxmanifest
+        │   ├── Properties
+        │   ├── Services <----------- (AREA OF INTEREST)
+        │   └── ViewModels <--------- (AREA OF INTEREST)
+        └── EyesAndEars.UWP.sln
+```
+
+Below is a diagram showing how the various pieces fit together. The
+`Models`, `ViewModel` and `Services` sections are the
+directories. There are further files in them. I should point out there
+is only one ViewModel called `MainPageVM.cs` which binds to `MainPage.cs`.
+
+![App-Internals](./attachments/app-internals.png)
+
+## How-To Use Eyes and Ears
+
+The first time you start Eyes and Ears, you need to input the URL to
+the server part of the system (MidPoint). You do this by entering it
+in the URL-bar (3) at the bottom of the screen and then press the
+'Save' button (6). For all intents and purposes, that is all you need
+to do. The rest of the features are secondary and you can get away
+with not ever using them.
+
+The URL has changed throughout the course of developing the whole
+system ('Personal Flash in Real-Time'). So, you will need to confirm
+the URL is correct which means you will need to speak to whomever is
+running the server (Midpoint) part of the system.
+
+![GUI-Breakdown](./attachments/gui-breakdown.png)
+
+1. Log Toggle (toggle debug logs (6) on/off)
+2. Info. button (artist's website)
+3. URL-Bar (to connect to (Midpoint) server
+4. Play/Stop Button (stop and start updating system status)
+5. Save Button (writes the URL to disk for future use)
+6. Debug Logs (used to testing and you will probably never need to use
+   it)
+7. Main Info. Area (displays the status of the various devices making
+   up the whole system)
+8. Current Time (used to cross-reference the time-stamps of the
+   various status updates)
+
+When Eyes and Ears is running, the Main Info. (7) displays the
+time-stamp of the latest event pushed to the server (Midpoint). The
+main (biggest) numbers in `Factory 1` and `Factory 2` states the
+latest light level reading taken from their respective
+devices. `Gallery 1` and `Gallery 2` refers to when the devices are
+either turned-on (and online) or turned-off (and offline as a
+result). Refer to the Legend for the colour coded nature of the
+various devices within the application itself. The 'Low Light' colour
+refers to when the light meters (`Factory 1` and `Factory 2`) record
+'negative light'. The reason why this happens is beyond the scope of
+this documentation (and the Eyes and Ears application).