ERP
Enterprise resource planning is business-management software that an organization can use to collect, store, manage and interpret data from many business activities. It's the system of record for product information storage.
FTP
File Transfer Protocol (FTP) is a standard network protocol used to transfer computer files between a client and server on a computer network. In most cases referred to here, the FTP server allows files to be accessed by a unique URL.
PIM
Product Information Management system.