In German, SAP stands for Systeme, Andwendungen, Produkte in der Datenverarbeitung. And in English, it means Systems, Applications and Products in Data Processing. Over the years, SAP has grown to become the leading and well-known provider of enterprise resources planning (ERP) products nowadays. The SAP R/3 enterprise application suite for open client/server systems has established new standards for providing business information management solutions.
SAP products are considered excellent but not perfect. The main problem with software product is that it will never be perfect.
The main advantage of using SAP as your company ERP system is that SAP has a very high level of integration among its individual applications which guarantee consistency of data throughout the system and the company itself.
In a standard SAP project system, it is divided into three environments, Development, Quality Assurance and Production.
The development system is where most of the implementation work takes place. The quality assurance system is where all the final testing is conducted before moving the transports to the production environment. The production system is where all the daily business activities occur. It is also the client that all the end users use to perform their daily job functions.
source: sap-img.com