The term PPP is an acronym for Public-Private Partnership, which is a type of agreement between a government and a private sector entity. It is used to finance, build, and operate projects that are of mutual benefit to both parties. The crossword solution RHOS is an acronym for Risk-Sharing, which is one of the key components of a PPP agreement. Risk-sharing is a mechanism that allows both parties to share the risks associated with the project, such as cost overruns or delays in completion. This helps to ensure that both parties are equally invested in the success of the project.