PLM - Product Lifecycle Management

PM - Project Management

RDBMS - Relational Database Management System.

A type of DBMS in which the database is organized and accessed according to the relationships between data values. The RDBMS was invented by a team lead by Dr. Edmund F. Codd and funded by IBM in the early 1970's.

ROI - Return on Investment

SE - Search Engine

SEO - Search Engine Optimization

(has little to do with ES)

SKU - Stock Keeping Unit

which is a specific number designating one specific product

SKF - Strategic Knowledge Framework

TCO - Total Cost of Ownership