What is the difference between Public-Private-Partnership (PPP) & Build, Operate, Transfer (BOT) in public investment management?

A Build, Operate, Transfer (BOT) arrangement on the other hand is a PPP whereby a private entity is give a concession to fund, design, build, operate and own the assets under concession (eg public infrastructure like toll roads) over a long term in order to recoup costs and make a return, then ownership is thereby transferred to the public entity on expiration of the BOT contract period.While A Public-Private-Partnership (PPP) can be a contractl agreement or partnership between example government department and the private sector to delegate public sector obligations to a private entities. (eg) the State partnering with a private company, or consortium of private companies to fund, build and operationalise public infrastructure. 

A Public-Private-Partnership (PPP) can be a contractual agreement or partnership between a public entity (eg government department) and the private sector to delegate public sector obligations to a private entities. (eg the State partnering with a private company, or consortium of private companies to fund, build and operationalise public infrastructure.) A Build, Operate, Transfer (BOT) arrangement on the other hand is a PPP whereby a private entity is give a concession to fund, design, build, operate and own the assets under concession (eg public infrastructure like toll roads) over a long term in order to recoup costs and make a return, then ownership is thereby transferred to the public entity on expiration of the BOT contract period.