What is the correct terminology when using SAP®-names?
SAP AG has been active for over 40 years and obviously there are many names for their products and related services.
There are several initiatives creating clarity about current names, and how to use them correctly. Many names are registered by SAP SE and are protected.
Sources of current names and correct usage can be found on websites of SAP SE such as:
Which names are being used?
Following are some names which are being used in the field, including older names which can still be circulating.
What does SAP GUI mean?
SAP GUI is a graphical user interface for accessing and using SAP’s business software. There are various SAP GUIs, depending on technology, such as WinGUI (for Microsoft Windows) or Java GUI. SAP solutions may also be accessed via an internet browser such as Internet Explorer (IE) or Firefox, utilizing its WebGUI.
What does SAP-client mean?
SAP clients are something else than what is generally called a client in IT. In IT, a client is usually the application running on an individual PC or workstation that is connected via a network to a server system. In SAP terminology, a client is a system that can be accessed in a specific context. There might be a development client, a testing client, a training client, or a client used for live business operations (production client). Other contexts are possible, for example, a client for the European operations of a company or another client for the Asian operations.
What is SAP R/3?
The name of SAP’s business software SAP R/3 is related to the technical architecture of computer systems. Before the 1990s, enterprise computing was performed on mainframes. Users had terminals connected to central software applications. Later, mini-computers, networks, and user PCs were connected through what is called client/server architecture. The “R/3” in SAP R/3 relates to something called three-tier client/server architecture. In this model, data, application functions, and user interface functions are divided over three logical layers.
What are SAP R/3 components (MM, PS, PP, SD, HR, etc.)?
These terms originate from the SAP R/3 world. They are referred to as components in SAP R/3. Strictly speaking, they are not separate pieces of software that can be utilized individually. They are logical modules that focus on specific tasks in a business.
Consultants often have specific expertise in one of these components, so these terms occur in job descriptions and resumes:
What is SAP ERP and SAP ERP Central Component?
Previous versions of ERP software from SAP were called SAP R/3 4.6C and SAP R/3 Enterprise 4.7., after which the naming and numbering changed to SAP ERP, first in version 5.0 (SAP ERP 5.0). What used to be the core component of SAP R/3 is now called SAP ERP Central Component (SAP ECC), leading to terms like SAP ECC 7.0. That doesn’t mean that all SAP’s customers are constantly upgraded to the latest release. In fact, there are previous versions still very much active in the field. Releases can be managed by SAP Solution Manager. SAP Solution Manager helps SAP’s customers receive best practices relating to topics such as service level management, technology management, software change management, support desk management, and more.
Wat is mySAP™?
mySAP was the terminology used for an edition of SAP applications first launched in 2003. The "mySAP" brand was retired in early 2007, as follows:
What are legacy systems?
Legacy systems are software systems that were already in place at the company before an SAP solution was implemented, or existing systems that run next to an SAP solution. They are “inherited.” (examples include a tailor-made financial system or a system from one of SAP’s competitors).
PS.: Wikipedia also has info about older SAP names.