An LMS handles the management and delivery of eLearning courses.
An LMS lets you create eLearning content (lessons), organize it into courses, deliver the content (either internally to your business or to a wider internet audience), enroll students to said courses, and, finally, monitor and assess their performance (attendance, grades, etc.).
That, of course, is a high level description of the features that a modern LMS should offer ― useful as a general description, or if you’re ever asked that at a quiz show.
If you’re interested in a more in-depth description, read on, as we’ll go through all these capabilities in more detail.