Each list tag inside an unordered list will generate one bulleted list item. Heap files are lists of unordered records of variable size. In a data warehouse, dimensions provide structured labeling information to otherwise unordered numeric measures. Asterisk designates lists that are unordered. Grover's algorithm for searching an unstructured database or an unordered list. A table without a clustered index is stored in an unordered heap structure. The unordered configuration space is sometimes denoted formula 13. Another way vital information can be missed is if the information is unordered and unorganized. They are computed using unordered sets of documents. Thus ordered choice is not commutative, unlike unordered choice as in context-free grammars. Unordered trees naturally arise by "unfolding" of accessible pointed graphs. All parameters may also be passed by using their name in an unordered way. Unordered trees and their generalizations form the essence of naming systems. Characters can be treated as unordered or ordered. It is useless, for example, for locating a given value in an unordered table.