Imposition

n. burdensome requirement, something which one is compelled to do; tax; act of compelling another to fulfill an obligation; imposture, deception

Imposition is a term used in the printing industry.  Print operators will print books using large sheets of paper which will be folded later. This allows for faster printing, simplified binding, and lower production costs. Imposition is the process of arranging pages correctly prior to printing so that they fold in the correct order. To someone unfamiliar with the imposition process, the pages may seem to be arranged randomly; but after printing, the paper is folded, bound and trimmed. If correctly imposed, the pages should all appear in the correct orientation and readable sequence.
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Noun
1. the act of imposing something (as a tax or an embargo)
(synonym) infliction
(hypernym) enforcement
(hyponym) protection, trade protection
(derivation) levy, impose
(classification) tax, taxation, revenue enhancement
2. an uncalled-for burden; "he listened but resented the imposition"
(hypernym) burden, load, encumbrance, incumbrance, onus
(derivation) inflict, bring down, visit, impose

n. imposition, taxation, enforcement, intrusion

(n.)
The act or process of imosing pages or columns of type. See Impose, v. t., 4.
  

(n.)
The act of laying on the hands as a religious ceremoy, in ordination, confirmation, etc.
  

(n.)
The act of imposing, laying on, affixing, enjoining, inflicting, obtruding, and the like.
  

(n.)
That which is imposed, levied, or enjoined; charge; burden; injunction; tax.
  

(n.)
An extra exercise enjoined on students as a punishment.
  

(n.)
An excessive, arbitrary, or unlawful exaction; hence, a trick or deception put on laid on others; cheating; fraud; delusion; imposture.