Um. So here. Umm  Ok. This stuff we use it we use it to speak with people. Alright. But um oh how do I describe this now but we use it to speak with people. A mobile phone?  Yeah it's in the mobile phone and it's in the mobile phone.  and its a particular software.  and it vary for different. Whatsapp? It vary, it's a mobile,  it's a software and it vary for each device. Vary for each device. It vary it vary it vary for each device it's a software. Hmm. It varies for each device each device has it own software it's unique. Ok. It's unique. Uhhh. Yes. It's unique. So I don't want to call the forbidden word but it's unique it's always. Hmmm. Yeah. And you can use it to text and use it to call not whatsapp not instagram. Yes but not the device itself.  That particular stuff that controls all of all those things that go out. That stuff that controls the. The calling and all of all that. You know what it's called. Messaging message. No no no no no. They. What controls the whole device itself. That makes it function. Ah um an ios or software. Ok give me another word for it the one relating to that-- correct fantastic Android.