Definition
A predicate head may be accompanied by an article or demonstrative followed by an adverb or adjective. These adverbial adjuncts are typically situated finally in a clause and are differentiated from simple adverbs by the presence of an article or demonstrative. (Suttles, 2003, p. 76)
Examples

References
Suttles, W. (2004). Musqueum reference grammar. UBC Press. SFU Student Access.