Sharable Content Object
A Sharable Content Object (SCO) represents a collection of one or more Assets that include a specific launch able asset that utilizes the SCORM Run-Time Environment to communicate with Learning Management Systems (LMSs).
A SCO 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.

An example SCO
A SCO must
must have a means to locate an LMS’s API Adapter
must contain the minimum API calls ( LMSInitialize(“”) and LMSFinish(“”) )
A SCO is only launched by LMS. A SCO may not itself launch another SCO.