SCORM: Sharable Content Object Reference Model is a collection of standards and specifications for web-based e-learning. It defines communications between client side content and a host system called the run-time environment (commonly a function of a learning management system). SCORM also defines how content may be packaged into a transferable ZIP file.
AICC: The Aviation (All Emcompassing) Industry CBT (Computer-Based Training) Committee (AICC) is an international association of technology-based training professionals. The AICC develops guidelines for aviation industry in the development, delivery, and evaluation of CBT, WBT and related training technologies.
IMS: The IMS Global Learning Consortium (usually known as IMS) is a non-profit standards organization concerned with establishing interoperability for learning systems and learning content and the enterprise integration of these capabilities. Their mission is to "support the adoption and use of learning technology worldwide". Their main activity is to develop specifications, some of which like QTI and Content Packaging are very widely used.
LMS: A Learning Management System (or LMS) is a software package that enables the management and delivery of online content to learners. Most LMSs are web-based to facilitate "anytime, any place, any pace" access to learning content and administration.
LCMS: A learning content management system is a solution for the creation, management and transfer of learning content. Although LCMS and LMS have some overlapping technologies, the products are very different.