Have you noticed the “Help” link in your account menu? It helps you find the answers to your zistemo questions in Knowledge Base.
This link will redirect you to the Knowledge Base article related to the current zistemo page (the one you are on at some specific moment).
For example, if you are on the “Update Expense” page and you click “Help”,
you will be redirected to the “Create/Update Expenses” article from zistemo Knowledge Base.
In other words, whenever you get stuck or you have doubts related to a certain feature, field or tool, simply click on “Help” and read on.