Basic blocks of learning content, which are electronic representations of media, text, images, sound, web pages etc.

Can be described with Asset Meta-data to allow for search and discovery within online repositories, thereby enhancing opportunities for reuse.

Represents a collection of one or more Assets that include a specific launchable asset that utilizes the SCORM Run-Time Environment to communicate with Learning Management Systems (LMSs).

Represents the lowest level of granularity of learning resources that can be tracked by an LMS using the SCORM Run-Time Environment.

A SCO can be described with SCO Meta-data to allow for search and discovery within online repositories, thereby enhancing opportunities for reuse.

A SCO is free from context information.

A Content Aggregation is a map (content structure) that can be used to aggregate learning resources into a cohesive unit of instruction (e.g. course, chapter, module, etc.)

The Content Aggregation defines the content structure that provides the mechanisms for defining the sequence that learning resources are to be presented to the user.

The LMS is responsible for interpreting the intended sequence described in the content structure and controlling the actual sequencing of the learning resources at run-time.