What are the different Indicator Icons on my Samsung Galaxy S III, and what do they mean?

See below for information on Indicator Icons.

Indicator Icons
Signal Strength: The greater the number of bars, the stronger the signal. Airplane Mode: You cannot send or receive any calls or access online information.
No Signal: No service is available. SIM Card: No SIM card installed in the device.
3G: Connected to the 3G network. An animated icon indicates data being transmitted. 4G LTE: Connected to the 4G LTE network. An animated icon indicates data being transmitted.
Call Forwarding: Call forwarding is active. Call: Call is in progress.
Hold: Active call is on hold. Missed Call: Missed incoming call.
Mute: Microphone is muted on active call. Speakerphone: Speakerphone is active.
Download: File or application download is in progress. Upload: Outbound file transfer is in progress.
Hands-free mode: Hands-free feature is active. TalkBack: The TalkBack feature is active.
Battery: Displays the charge level. Icon shown indicates the battery is fully charged. Charging: Battery is charging.
Battery Critical: Battery has only 4 percent or less power remaining and will soon shut down. Silent/Mute: All sounds are silenced, and Silent mode is set to Mute.
New Message: New message received. Blocking Mode: Blocking mode feature is active.
New Email: New email message received. Disk Full: The device memory is full.
New Google+™: New Google+ notification received. Screenshot: A screen capture has been taken and stored in the clipboard.
Alarm: An alarm has been set. Smart Screen: One or more Smart screen features are on.
Vibrate: All sounds except media and alarms are silenced, and Silent mode is set to Vibrate. Sync: Data and application synchronization is in progress.
microSD™ Alert: Memory card has been unexpectedly or improperly removed. microSD Unmount: Memory card has been unmounted and is now ready for removal or formatting.
GPS Acquiring: GPS is attempting to acquire a signal. GPS: GPS is on and
communicating.
microSD Mounting: Your microSD card is being mounted and prepared for use. Music Player: Song is playing within the Music Player application.
Nearby Devices: Device is sharing/streaming media with nearby devices. Group Play: You have joined or started a Group Play sharing session.
Bluetooth® Active: Bluetooth feature is active on the device. Bluetooth Connected: Bluetooth feature is active and communicating with another device.
Wi-Fi® Not Connected: Wi-Fi network is available, or there is an issue with the Wireless Access Point. Wi-Fi Active: Wi-Fi is connected, active, and communicating with a Wireless Access Point.
Wi-Fi Direct® Connected: Wi-Fi Direct is active, and your device is communicating with another device. USB: Device is connected to a computer via a supported USB cable.
Print: A print job is processing or being sent to a compatible printer. Dock: The device is connected to a supported dock and/or cradle.
Notifications: There are too many on-screen notification icons to display. Touch to display more notifications. System Update: An update is available for download and installation.
Samsung Apps: App updates are available, or an app was downloaded and installed from Samsung Apps. Dock: The device is connected to a supported dock and/or cradle.
Google Play™ Store Update: Application updates are available from the Google Play Store. Google Play Store Download: Application was downloaded and installed from the Google Play Store.

Kies Air: Kies Air is active and communicating. ChatON™: A new ChatON message has arrived.

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