Como se le llaman a las lecciones en linea que ofrecen procedimientos paso a paso aprender el uso de un programa o tema

Lecciones o tutoriales.

Explanation: The question can be translated to:

"What are the online lessons that offer step-by-step procedures called learning to use a program or topic?"

This are usually called "lessons" or "tutorials", and in Spanish, these are called "lecciones" or "tutoriales"

Where a "lección" is a more in dep class about a given subject, and a "tutorial" is more about solving an specific problem.

when you are going to explain a procedure,   the first thing to do is to name the parts or the apparatus you are going to describe in terms of how it or they function. also it is important to know who is going to operate it and the abilities this man/woman requires to manage it.