The element <objectUse> contains a specific description and intended use for each element, attribute, or notation that is recorded in the BREX data module.The description should be a short narrative explanation of the use to the extent that interpretation of the object is perfectly clear. This description can contain references to supporting data modules and/or other technical publications, by use of the optional sub-element <refs> as described in Chap 3.9.5.2.1.2.