diff --git a/doc/Structure.md b/doc/Structure.md
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--- a/doc/Structure.md
+++ b/doc/Structure.md
@@ -33,22 +33,92 @@ The full root level structure is as follows
 ```
 Note: '+' marked lines are generated and aren't inherent to the repository
 
-The 'assets' folder contains all required content not created for specifically
-this UI project (e.g. image logos, fonts, etc.)
+## assets/
+Contains all required content not created for specifically this UI project
+(e.g. image logos, fonts, etc.)
 
-The 'plugins' folder contains all plugin folders, natively designed or
-third-party. Most everything important in the ui is a plugin. This design
-allows for community involvemenet and customization to the maximum extent.
-Plugins are designed as webpages and are automatically initialized in the UI's
-startup by looking for a ./plugins/[PLUGIN_NAME]/index.html file.
+## css/
+Contains css, both imported and developed in house.
 
-'config.json' is a json created upon a user first opening the UI and tracks
-things like window position, siad's hosted address, etc.
+* `general.css` - Applies css rules to the general UI
+* `plugin-standard.css` - Applies css rules to each plugin. Plugins only
+  optionally include this as a style tag in their `index.html` files.
+* `font-awesome-min.css` - Allows the usage of [Font
+  Awesome](http://fontawesome.io/). The most common usage of these icons are to
+  denote buttons, particularly with the text to the right of the icon as so:
+```html
+<div class='button'>
+	<i class='fa fa-arrow-circle-o-up'></i>
+	Update UI
+</div>
+```
+resulting in a button like this: ![This button is shown when the UI detects
+that it's out of date](/doc/assets/update-button.png).
+* `roboto-condensed-min.css` - Most of the UI uses this font. It's minimalist
+  and easy to read when small but not bulky when large
+
+## doc/
+Contains any markdown files, except the README.md, such as this one.
+
+* `assets/` - Contains screenshots and images needed for specifically the
+  documents in doc/
+
+## js/
+Contains all the javascript files that aren't plugin specific and make up the
+functionality of the general UI. In this immediate folder level, there's:
+
+* `getSia.js` - ran upon the command `npm install`, downloads a Sia release to
+  use. It's mostly useful to automatically get said release onto a TravisCI
+  server. Otherwise, users generally shouldn't be using this file to download
+  Sia for security purposes.
+* `mainjs/` - Contains any logic related to the main process, [a concept of
+  electron's](https://github.com/atom/electron/blob/master/docs/tutorial/quick-start.md#differences-between-main-process-and-renderer-process).
+  It's mostly startup logic.
+* `rendererjs/` - Contains any logic related to the renderer process. Mostly
+  loading the UI, plugins, and various UI features like notifications.
+
+## [node_modules/](https://www.npmjs.com/)
+Created upon `npm install`. Contains all npm package dependencies used by the UI
+and its plugins. 
+
+## [plugins/](/doc/Plugins.md)
+Contains all plugin folders, natively designed or third-party. Plugins are
+designed as webpages and are automatically initialized in the UI's startup by
+looking for a `./plugins/[PLUGIN_NAME]/index.html` file.
+
+## [release/](/doc/DevelopmentFlow.md)
+Created upon running `npm run release`. Contains release made to distribute to
+users
+
+## [test/](/doc/Testing.md)
+Tests written using [spectron](https://github.com/kevinsawicki/spectron).
+
+## config.json
+Created upon a user opening the UI. It tracks things like window
+position, siad's path, etc. It's managed by the main process and saved upon
+opening/closing the UI
+
+## errors.log
+Created upon a user opening the UI. Records error notifications for the UI.
+
+## index.html
+The starting point of the renderer process. This file structures the layout of
+the general UI and loads `/js/rendererjs/uiManager.js` and
+`/js/rendererjs/pluginManager.js`. This is the only non-plugin html file since
+Sia-UI is intended to be a one-page desktop app.
 
-'index.js' initializes a browser window using 'index.html'. This is the only
-non-plugin html file since Sia-UI is intended to be a one-page desktop app.
+## index.js
+The entry point of the app and main process. This:
+* Initializes a browser window using 'index.html'
+* Loads up a config.json
+* Initializes siad, through the node wrapper, [sia.js](https://github.com/NebulousLabs/Nodejs-Sia)
+* Takes advantage of many electron libraries to give a more OS-specific
+  experience
 
-'package.json' contains most of the CLI commands we use to interact with the UI
-and is an overall core tool to how npm and electron function. This should be
-carefully examined.
+## package.json
+Contains many details of the project. The most important parts of this file are
+its dependencies and devDependencies list as well as its scripts. See [A useful
+guide about using NPM as a build
+tool](http://blog.keithcirkel.co.uk/how-to-use-npm-as-a-build-tool/) for a
+guide of how the scripts work.
 
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