Take the 2-minute tour ×  I'm writing a Science Fiction book.
While this book doesn't push reality very far, there are some
new technologies and tools that I have added. One tool is used
more frequently than all the others, and it has a very complex
system (although there are other systems just as complex used
somewhat less frequently in the story). For the sake of this
question, we'll call it MYTO. The protagonist and the other
supporting characters use MYTO on a regular basis, and an
adequate understanding of it is critical to understanding and
enjoying the story due to the frequent use of it. Normally, it
wouldn't be a problem for me to introduce it and describe its
functions. However, due to the complexity of MYTO and the
systems surrounding it, I've found myself in a bit of a
predicament.  I've written several drafts and concepts trying to
describe MYTO and the systems it uses, and I've ruled out an
all-at-once approach - it would take too long, and the reader
would get lost and bored. Because MYTO is us