Enterprise Asset Management - the business processes previously called 'Plant Maintenance' by SAP.

Enterprise Portfolio and Project Management, a module of SAP S/4HANA

Electronic Invoicing - method of communicating with government authorities in relation to sales and procurement invoices, such as registering invoices with the government authority, or validating that a given invoice is valid. 

Enterprise Resource Planning - a type of IT system used to execute core business transactions in functions such as Finance, Supply Chain, Manufacturing, Warehousing, etc. SAP S/4HANA is a type of ERP system. 

Extract, Transform, Load; an approach for moving data from one system to another, potentially with some transformation or cleansing inside the process. Specialist tools are available to support such a process, but they are not required. 

Electronic Document Interchange - a generic term for the exchange of business documents such as orders, invoices, good receipts, etc. between companies participating in a transaction. May be facilitated by an interposed network or agency which handles routing, validation, etc. 

Environment, Health and Safety

Refers to systems that are used for the different stages of the project lifecycle .  Each environment serves a distinct purpose and has a dedicated instance to ensure stability and integrity. E.g., Development, QAS.