Recognizing notification icons on status bar

Please see notification icons that frequently appear on status bar.
Mobile network :Shows the signal strength of the mobile network
MicroSIM card 1: Shows that a micro SIM card is inserted in micro SIM card slot 1
MicroSIM card 2:Shows that a micro SIM card is inserted in micro SIM card slot 2 (If the icon is displayed in green which indicates it's set as preferred network)
Message: Shows that you have ubread message
WIFI: Shows the signal strength of the WIFI network
Bluetooth: Bluetooth is on
Battery life: Shows the battery status of phone
Micro SD:  Shows the  micro SD card is inserted in phone
Screenshots: Screenshot is taken
Airplane mode: Airplane mode is enable
WIFI hot spot :WIFI hot spot is enable
Smart saving mode:Smart saving mode is enabled. For details, please refer to  Smart saving mode
In "Do not disturb" mode, incoming calls and notifications will be silenced.Do not disturb
Vibrate mode:Vibrate mode is enabled
Data Downloadhone is downloading data file
  GPRS  network indicator
Edge network indicator
3G network indicator
  HSPD network indicator
  HSPDA+ network indicator
4G  network indicator
LTE  network indicator
Data roaming indicator