A branch of knowledge
Bailiwick
Discipline
Field
Field of study
Study
Subject
Subject area
Knowledge base
Knowledge domain
Domain
Arts
Bibliotics
Communication theory
Communications
Divinity
Engineering
Engineering science
Escapology
Frontier
Futuristics
Futurology
Genealogy
Graphology
Humanistic discipline
Humanities
Landscape architecture
Liberal arts
Major
Military science
Numerology
Occultism
Ology
Protology
Science
Scientific discipline
Technology
Theogony
Allometry
Theology
Applied science
Architecture