ROI means return on investment,some people

make mistakes and they think that ROI means risks on investment which is a wrong meaning,...so

if for example someone told you that you will get

twenty percentage ROI what that person is trying

to tell you is that you will get a twenty percentage
return on the investment which you invested and

if for example they say fifty percentage ROI then it

means they are saying that there will be fifty perfentage return on your investment,you need to

be aware that a ROI can be negative too..