Subject ( la, subiectus "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 substance t ...

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

Subject (philosophy) A subject is a being who has a unique consciousness and/or unique personal experiences, or an entity that has a relationship with another entity that exists outside itself (called an " object"). A ''subject'' is an observer and an ''object'' i ...

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

Linguistics

* Subject (grammar), who or what a sentence or a clause is about *

Subject case In grammar, the nominative case (abbreviated ), subjective case, straight case or upright case is one of the grammatical cases of a noun or other part of speech, which generally marks the subject of a verb or (in Latin and formal variants of Engl ...

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 mu ...

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

fugue In music, a fugue () is a contrapuntal compositional technique in two or more voices, built on a subject (a musical theme) that is introduced at the beginning in imitation (repetition at different pitches) and which recurs frequently in the co ...

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

sonata form Sonata form (also ''sonata-allegro form'' or ''first movement form'') is a musical structure generally consisting of three main sections: an exposition, a development, and a recapitulation. It has been used widely since the middle of the 18th c ...

* ''Subject'' (album), a 2003 album by Dwele

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 perceptio ...

, core elements in the subject-oriented programming paradigm *

Subject (access control) In the fields of physical security and information security, access control (AC) is the selective restriction of access to a place or other resource, while access management describes the process. The act of ''accessing'' may mean consuming ...

* An element in the

Resource Description Framework The Resource Description Framework (RDF) is a World Wide Web Consortium (W3C) standard originally designed as a data model for metadata. It has come to be used as a general method for description and exchange of graph data. RDF provides a variety of ...

Subject (iMedia) Subject ( la, subiectus "lying beneath") may refer to: Philosophy *''Hypokeimenon'', or ''subiectum'', in metaphysics, the "internal", non-objective being of a thing ** Subject (philosophy), a being that has subjective experiences, subjective con ...

, Computer Science focuses on what happens inside a computer including programming, networking, security and cyber security. Creative iMedia focuses on the creative aspects such as graphics, video, animation and games design.

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 reco ...

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 *

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 gener ...

, a unit of academic instruction