I have went through different websites but I am still confused with the definition of Ui Path? Anyone please explain me...

Could someone please tell me What is RPA - Robotic Process Automation? 

I am a bit confused that what is the difference between chatbot and RPA? Can anyone please explain me..

Could someone give me a straightforward and more understandable answer for my question?

Can anybody tell me the differences between UiPath and blue prism?

I have went through different websites but I am still confused with the definition of blue prism? Can anyone explain me..

Could someone please tell me what is UiPath used for?

I would like to know about what are the key features of UiPath?

I am a bit confused that how can i start UiPath?

I have went through different websites but I am still confused with the definition of RPA UiPath? I mean what is it?