What is a "learner" for SCORM?

For the purposes of SCORM, a learner will be defined as a unique user who is assigned and initiates any number of courses in the annual period. For example, if one user is assigned  to three courses and initiates any of those it will count as one learner towards the consumption tier.

For the purposes of SCORM, a learner will be defined as a unique user who 
assigned is assigned and initiates any number of courses in the annual period. For
example, if one user is assigned to three courses and initiates any of those it will 
count as one learner towards the consumption tier.
ZenSign
Tier (Number of Stages/Workflows with
External Signatures)