\begin{definition}[Definition:Collation/Collation System]
A key feature of collations is the presence of methods to ''collate'' a number of collations into a new one.
A collection of collations, together with a collection of such '''collation methods''' may be called a '''collation system'''.
For example, words and the method of concatenation.
Category:Definitions/Formal Systems
\end{definition}