Deletion of Umbrella term

Comment: The general concept appears in works such as ''Umbrella Reviews: Evidence Synthesis with Overviews of Reviews and Meta-Epidemiologic Studies''; ''aming the Standards: A Commonsense Approach to Higher Student Achievement''; ''Creating Classrooms for Authors and Inquirers ''.  Other sources such as ''http://psycnet.apa.org/record/1950-03920-001 this talk of Molar (broad)'' The mian point of  is not that we should delete short articles but that we should group topics together conceptually, rather than by word and title
Stance: keep
Cited policy: Wikipedia:Wikipedia is not a dictionary (WP:DICDEF)