Jet Navigation Chart (JNC) Maps

http://overlandresource.com/what-are-jog-tpc-onc-jnc-and-gnc-maps

JOG (Joint Operational Graphic)

TPC (Tactical Pilotage Chart)

ONC (Operational Navigation Chart)

JNC (Jet Navigation Chart)

GNC (Global Navigation & Planning Chart)

Component Object Model (COM)

http://en.wikipedia.org/wiki/Component_Object_Model

• A binary-interface standard for software componentry 
• Introduced by Microsoft in 1993
• enable inter-process communication
• Used as an umbrella term for OLE, OLE Automation, ActiveX, COM+ and DCOM technologies