/System/Library/AccessibilityBundles

This folder contains budnles,Bundles are basically your defualt apps settings and or settings in general. The Bundles include:

Bundle's

AccessibilitySettingsLoder.bundle

AccountSettingsUI.axbundle

AddressBookUIFramework.axbundle

AdSheet.axbundle

AirPortSettings.axbundle

AirTrafficSettings.axbudle

AppleAccountSettings.axbundle

AppStore.axbundle

BluetoothSettings.axbundles

Calculator.axbundle

Camera.axbundle

ChatKitFramework.axbundle

Compass.axbundle

ConferenceFramework.axbundle

Contacts.axbundle

DataActivation.axbundle

EventKitUIFramework.axbundle

Game Center.axbundle

GameKitFramework.axbundle

iAdFramework.axbundle

IncomingCall.axbundle

iPodUI.axbundle

iTunesStoreFramework.axbundle

iTunesStoreUIFramework.axbundle

KeyboardSettings.axbundle

MailAttachmentPlugin.axbundle

ManagedConfigurationUI.axbundle

MapKitFramework.axbundle

Maps.axbundle

MediaPlayerFramework.axbundle

MessageUIFramework.axbundle

MobileCal.axbundle

MobileMail.axbundle

MobileMailSettings.axbundle

MobileNotes.axbundle

MobilePhone.axbundle

MobileSafari.axbundle

MobileSlideShow.axbundle

MobileSMS.axbundle

MobieStore.axbundle

MobileTimer.axbundle

MobileTimerFramework.axbundle

Music.axbundle

Nike.axbundle

NotificationSettings.axbundle

Photo Booth.axbundle

PhotoLibraryFramework.axbundle

PictureFramePlugin.axbundle

Preferences.axbundle

PreferencesFramework.axbundle

PublishToMobileMe.axbundle

PublishToYouTube.axbundle

QuickLook.axbundle

QuickSpeak.axbundle

QuickTime Plugin.axbundle

Reminders.axbundle

RemoteUIFramework.axbundle

SearchSettings.axbundle

Setup.axbundle

SportsTrainerFramework.axbundle

Springboard.axbundle

Stocks.axbundle

StocksFramework.axbundle

StocksWeeApp.axbundle

TelephonyUIFramework.axbundle

TextInput.axbundle

TrustMe.axbundle

TwitterFramework.axbundle

TwitterSettings.axbundle

UIKit.axbundle

UsageSettings.axbundle

VictoriaSettings.axbundle

Videos.axbundle

VisualAlerts.axbundle

VoiceMemos.axbundle

VoiceMemosFramework.axbundle

Wallpaper.axbundle

Weather.axbundle

WeatherFramework.axbundle

WeatherNotifications.axbundle

WebSheet.axbundle

WiFiPicker.axbundle

WirelessModemSettings.axbundle

YouTube.axbundle

YouTubePlugIn.axbundle

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These bundles are from --ARC rapture 02:40, 4 March 2012 (MST) 's iPod but are the same on many other iDevice's