While learning, it is often beneficial to see in advance an overview of the upcoming content. This approach is called advanced organization, showing new concepts first so that when they are encountered later, in perhaps an unfamiliar context, the learner will not be taken aback by novelty.
Cognitively, an advanced organizer [⇒ Advance Organizer] allows the subconscious to process the new ideas and to lay a mental Scaffolding that accommodates Change. Our bodies do instantly understand the difference between Inside and Outside. Our skin is a very compelling (and built-in) Model of a Boundary. It’s our Cognition that needs reminding. William Bricken personally prefers the Surprise of new ideas. You however might prefer to know what to expect.
Structures are conditions that limit the domain of connectivity of system operations: they are the conditions for the →Autopoiesis of every system. The concept of structure describes the selection of the relations between elements that are accepted in the system. In →meaning-constituting systems, structures cannot merely consist of the relations between elements, since elements are events without duration [→Event]: with their disappearance, the relations also would disappear, and with them the system itself. The selections that become structurall
The probability that you will not understand the following contribution is high. Unfortunately, this assumption is well-founded. Very concrete experiences in teacher education as well as in adult education make us despair. pdf 
The Advance Organizer: Getting Started in a Learning Environment
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DOT FROM lambda-browsing