In SCORM 2004 sequencing, every item in a SCORM manifest is called an “activity”. Activities can be “deliverable”, or “leafs” when they correspond to a SCO or Asset. Or, activities can be “clusters” w [..]

An item in the SCORM manifest that contains child items. Corresponds to a “cluster” when referred to in the context of SCORM sequencing.

A reusable piece of training that doesn’t communicate with the LMS. Assets may be a simple collection of files that are used by other resources in a SCORM manifest. Or, assets may be deliverable units [..]

SCORM courses are meant to be delivered in self contained units. These units are called content packages. The Content Packaging Specification is the part of the SCORM specification that describes how [..]

A set of defined data points that the content and LMS can exchange via the SCORM API. Example data model elements include “cmi.score.scaled” (to record a user’s test score) and “cmi.completion_status” [..]

[Definition from Wikipedia] A de facto standard is a standard (formal or informal) that has achieved a dominant position, by tradition, enforcement, or market dominance.

In SCORM content packaging, a resource can “depend” on other resources. These dependencies allow a list of common files (assets) to be shared across resources.