A confidentiality agreement puts each party on notice that what is being discussed is solely for each party and only for the stated purpose within the agreement. The critical elements within the confidentiality agreement are therefore that parties must specifically state the type of information that is being disclosed and also the intended purpose for which the information is to be used.
Letters of intent may be advanced in the world of commercial real estate. In some specific domestic markets (for example in principal to principal deals between upstream Petroleum traders and producers in the same country, or certain Joint venture projects) they may be found. But there is no underlying and supported standard international application for the Letter of Intent.