Supervision of logical constructions?

Question

CMS

There is a need to make a functional of a certain step-by-step instruction, in which the user marks the completed stages and, in accordance with this, receives different content - further instructions, which depend on what he has chosen. I made a small simple prototype of how it should work, based on wordpress and on the example of the process of cooking boiled potatoes :)
t3.necu.org.ua/kak-svaryt-kartoshku
given task that can be more advanced? For example, take into account not only the current choice (yes / no) of the user, but also the previous steps that the user has already passed and other parameters, work with multiple choices at the same time ...
It is also interesting to hear your thoughts on how best to organize everything when you need to simultaneously show instructions for two parallel processes - in this case, for example, you can do frying with boiling potatoes at the same time. And this is a separate process. which simply runs in parallel, but not synchronously - the user can hang in one process and advance in another more quickly. How can this be implemented?
I would be grateful for ideas!

Answer 1

пример не работает.
идей нет.

Answer 2

Автор, здравствуйте! нашли решение? подскажите пожалуйста хоть в пару строк!