A synthesis reaction or direct combination reaction is one of the most common types of chemical reactions. In a synthesis reaction two or more chemical species combine to form a more complex product.
A design review is a milestone within a product development process whereby a design is evaluated against its requirements in order to verify the outcomes of previous activities and identify issues before committing to-and if need to be re-prioritise-further work.
A project management audit also has advantages over design reviews when it comes to ascertaining the status of the entire project. The purpose of design reviews is to assure that the customer's specifications are being met and will continue to be met. While this is indeed one aspect of an audit, it is only one aspect.