Well_Time_Series or Interface_Time_Seres.....What are these outputs....where to find description

Hello Toughers

I ran simulation and i am having a hard time understanding the differences between the different headers listed in the interface output file which list production form the well elements

what is the meaning of 

Time:days      => obviously time, understood...but I am facing difficulty understanding the full form of these abbreviations

Please point me to a description or plz describe.

Q_G:kg/s     M_G(kg)     Q_Gw:kg/s      M_Gw:kg     Q_A:kg/s      M_A:kg     Q_Aw:kg/s     M_Aw:kg     X_s:kg/kg      M_s:kg       Q_H:W     Q_CH4G:kg/s   M_CH4G:kg   Q_CH4A:kg/s   M_CH4A:kg

Thanks in advance