C4ISR – Acronym – Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance
COTS – Acronym – Short for commercial off-the-shelf, an adjective that describes software or hardware products that are ready-made and available for sale to the general public. For example, Microsoft Office is a COTS product that is a packaged software solution for businesses. COTS products are designed to be implemented easily into existing systems without the need for customization.
PLM – Acronym – Short for Product Lifecycle Management, it refers to a set of software tools used for mechanical design, analysis and manufacturing to support products from when they are first conceived through distribution and retirement. *PLM is assembled from various software programs, rather than purchased outright as a single commercial off-the-shelf product. Once assembled, a well-designed PLM system will manage product specifications and formulas, provide production histories, create complete product genealogies, and track total product quality.