tutorial

Of or pertaining to a tutor; belonging to, or exercised by, a tutor.

The probability is that any verse of this nature, in which the lines are worn smooth, is one which has been causing tutorial ears to tingle for a generation at least; and very probably it is known in a variety of forms.

A self-paced learning exercise; a lesson prepared so that a student can learn at their own speed or convenience.

An interactive class taught by a tutor to students at university or college, individually or in small groups.

A video or text guide or instruction about a specific topic (generally a how-to).