Subject ( "lying beneath") may refer to:

Philosophy

*''

Hypokeimenon ''Hypokeimenon'' ( Greek: ὑποκείμενον), later often material substratum, is a term in metaphysics which literally means the "underlying thing" (Latin: ''subiectum''). To search for the ''hypokeimenon'' is to search for that substan ...

'', or ''subiectum'', in metaphysics, the "internal", non-objective being of a thing **

Subject (philosophy) The distinction between subject and object is a basic idea of philosophy. *A subject is a being that exercises agency, undergoes conscious experiences, and is situated in relation to other things that exist outside itself; thus, a subject is any ...

, a being that has subjective experiences, subjective consciousness, or a relationship with another entity

Linguistics

Subject (grammar) A subject is one of the two main parts of a Sentence (linguistics), sentence (the other being the Predicate (grammar), predicate, which modifies the subject). For the simple Sentence (linguistics), sentence ''John runs'', ''John'' is the subject, ...

, who or what a sentence or a clause is about * Subject case or nominative case, one of the grammatical cases for a noun

Music

Subject (music) In music, a subject is the material, usually a recognizable melody, upon which part or all of a composition is based. In forms other than the fugue, this may be known as the theme. Characteristics A subject may be perceivable as a complete mus ...

, or 'theme' * The melodic material presented first in a

fugue In classical music, a fugue (, from Latin ''fuga'', meaning "flight" or "escape""Fugue, ''n''." ''The Concise Oxford English Dictionary'', eleventh edition, revised, ed. Catherine Soanes and Angus Stevenson (Oxford and New York: Oxford Universit ...

* Either of the two main groups of themes (first subject, second subject), in

sonata form The sonata form (also sonata-allegro form or first movement form) is a musical form, musical structure generally consisting of three main sections: an exposition, a development, and a recapitulation. It has been used widely since the middle of t ...

* ''Subject'' (album), a 2003 album by Dwele * Subjects (album), a 2021 album by Scale the Summit

Science and technology

* The individual, whether an adult person, a child or infant, or an animal, who is the subject of research.

Computing

Subjects (programming) In computing, subject-oriented programming is an object-oriented software paradigm in which the state (fields) and behavior (methods) of objects are not seen as intrinsic to the objects themselves, but are provided by various subjective perceptions ...

, core elements in the subject-oriented programming paradigm *

Subject (access control) In physical security and information security, access control (AC) is the action of deciding whether a subject should be granted or denied access to an object (for example, a place or a resource). The act of ''accessing'' may mean consuming, ...

* An element in the

Resource Description Framework The Resource Description Framework (RDF) is a method to describe and exchange graph data. It was originally designed as a data model for metadata by the World Wide Web Consortium (W3C). It provides a variety of syntax notations and formats, of whi ...

Library science and information science

Subject (documents) In library and information science documents (such as books, articles and pictures) are classified and searched by subject – as well as by other attributes such as author, genre and document type. This makes "subject" a fundamental term in this ...

(subject classification; subject indexing; subject searching) *

Subject term In information retrieval, an index term (also known as subject term, subject heading, descriptor, or keyword) is a term that captures the essence of the topic of a document. Index terms make up a controlled vocabulary for use in bibliographic recor ...

or index term, a descriptor of a document used in bibliographic records

Other uses

Commoner A commoner, also known as the ''common man'', ''commoners'', the ''common people'' or the ''masses'', was in earlier use an ordinary person in a community or nation who did not have any significant social status, especially a member of neither ...

, an individual subjected to rule by an elite, e.g. in feudalism * Subject in a modern constitutional monarchy, e.g.

British subject The term "British subject" has several different meanings depending on the time period. Before 1949, it referred to almost all subjects of the British Empire (including the United Kingdom, Dominions, and colonies, but excluding protectorates ...

Course (education) In higher education, a course is a unit of teaching that typically lasts one academic term, is led by one or more instructors (teachers or professors), and has a fixed roster of students. A course usually covers an individual subject. Courses gene ...

, a unit of academic instruction * ''Subject'', a 2022 documentary about documentaries by

Jennifer Tiexiera Jennifer Tiexiera is an American documentary filmmaker. She is known for directing the films '' P.S. Burn This Letter Please'', ''Subject'' and '' Speak''. Career Tiexiera's editorial debut feature documentary, '' I Trust You to Kill Me'', was o ...