Cover or covers may refer to:

Packaging

* Another name for a

lid A lid or cover is part of a container, and serves as the closure (container), closure or Seal (mechanical), seal, usually one that completely closes the object. Lids can be placed on small containers such as Tub (container), tubs as well as large ...

Cover (philately) In philately, the term cover pertains to the outside of an envelope or Mail, package with an address, typically with postage stamps that have been Cancellation (mail), cancelled and is a term generally used among stamp and postal history collecto ...

, generic term for envelope or package *

Album cover An album cover (also referred to as album art) is the front packaging art of a commercially released album, studio album or other audio recordings. The term can refer to: * the printed paperboard covers typically used to package: ** sets of a ...

, the front of the packaging *

Book cover A book cover is any protective covering used to bind together the pages of a book. Beyond the familiar distinction between hardcovers and paperbacks, there are further alternatives and additions, such as dust jackets, ring-binding, and older f ...

or magazine cover **

Book design Book design is the graphic art of determining the visual and physical characteristics of a book. The design process begins after an author and editor finalize the manuscript, at which point it is passed to the production stage. During productio ...

** Back cover copy, part of

copywriting Copywriting is the act or occupation of writing text for the purpose of advertising or other forms of marketing. Copywriting is aimed at selling products or services. The product, called Copy (publishing), copy or sales copy, is written content t ...

* CD and DVD cover,

CD and DVD packaging Optical disc packaging is the packaging that accompanies CDs, DVDs, and other formats of optical discs. Most packaging is rigid or semi-rigid and designed to protect the media from scratches and other types of exposure damage. Jewel case A ...

* Smartphone cover, a mobile phone accessory that protects a mobile phone

People

Cover (surname) Cover is a surname. Notable people with the surname include: * Arthur Byron Cover (born 1950), American science fiction author * Franklin Cover (1928–2006), American actor * Thomas M. Cover (1938–2012), American scientist * Robert Cover R ...

Arts, entertainment, and media

Music

Albums

;Cover * ''Cover'' (Tom Verlaine album), 1984 * ''Cover'' (Joan as Policewoman album), 2009 ;Covered * ''Covered'' (Cold Chisel album), 2011 * ''Covered'' (Macy Gray album), 2012 * ''Covered'' (Robert Glasper album), 2015 ;Covers * ''Covers'' (Beni album), 2012 * ''Covers'' (Regine Velasquez album), 2004 * ''Covers'' (Placebo album), 2003 * ''Covers'' (Show of Hands album), 2000 * ''Covers'' (James Taylor album), 2008 * ''Covers'' (Fayray album), 2005 * ''Covers'' (Deftones album), 2011 * ''Covers'' (The Smithereens album), 2018 * ''Covers'' (Zemmoa album), 2018 * ''Covers'' (Cat Power album), 2022 * ''Covers'', an album by

Break of Reality Break of Reality (BoR) is an American cello rock band consisting of three cellists and a percussionist. The group is associated with the terms "cinematic rock", " cello rock", and "indie classical". Break of Reality's current members are Patri ...

Extended plays

* ''Covers'' (A Camp EP), 2009 * ''Covers'' (Blessing Offor EP), 2024 * ''Covers'' (Franz Ferdinand EP), 2009 * ''Covers'' (Get Cape. Wear Cape. Fly EP), 2009 * ''Covers'' (The Autumns EP), 2001 * ''Covers'' (Young Statues EP), 2012

Other uses in music

Cover version In popular music, a cover version, cover song, remake, revival, or simply cover is a new performance or recording by a musician other than the original performer or composer of the song. Originally, it referred to a version of a song release ...

, a new version of a previously released song * Cover, an

understudy In theatre, an understudy, referred to in opera as cover or covering, is a performer who learns the lines and blocking or choreography of a regular actor, actress, or other performer in a play. Should the regular actor or actress be unable to ap ...

in opera

Films

* ''Cover'' (film), a 2007 American film by Bill Duke * ''The Cover'' (film), a 2021 Spanish film by Secun de la Rosa

Magazines

* ''Cover Magazine'' (publication), a New York City arts monthly publication

Business

* Cover (finance), repurchasing a short order made on the stock/equity, forex or futures markets * Cover (law), a remedy for the breach of a contract for the receipt of goods * Cover charge, an entry fee * Cover (hospitality) * Cover Corp., parent organization for VTuber idol company Hololive Production

Deception and concealment

* Cover (telecommunications), a communications concealment technique * Cover, something fake used in a

cover-up A cover-up is an attempt, whether successful or not, to conceal evidence of wrongdoing, error, incompetence, or other embarrassing information. Research has distinguished personal cover-ups (covering up one's own misdeeds) from relational co ...

* Non-official cover, the identity assumed by an operative who takes a covert role in an organization without official ties to the government * Official cover, the identity assumed by an operative who takes a position in an organization with diplomatic ties

Mathematics, science and technology

Cover (algebra) In abstract algebra, a cover is one instance of some mathematical structure mapping onto another instance, such as a group (mathematics), group (trivially) covering a subgroup. This should not be confused with the concept of a Cover (topology), cov ...

, the concept of an algebraic structure that maps onto another structure in structure-preserving fashion *

Cover (topology) In mathematics, and more particularly in set theory, a cover (or covering) of a set X is a family of subsets of X whose union is all of X. More formally, if C = \lbrace U_\alpha : \alpha \in A \rbrace is an indexed family of subsets U_\alpha\sub ...

, the mathematical concept of a collection of sets whose union contains each set as a subset * Cover, a pair in the

covering relation In mathematics, especially order theory, the covering relation of a partially ordered set is the binary relation which holds between comparable elements that are immediate neighbours. The covering relation is commonly used to graphically expre ...

of a partially ordered set, or the greater element in such a pair * Cover, in database theory, an equivalent set of constraints *

Covering system In mathematics, a covering system (also called a complete residue system) is a collection :\ of finitely many residue classes : a_i\pmod = \, whose union contains every integer. Examples and definitions The notion of covering system was i ...

in number theory is a finite set of residue classes that cover all integers * Covering code in coding theory is a set of elements (''codewords'') such that every element of the space is within a fixed distance of some codeword. * Land cover, physical material on the surface of the earth * Concrete cover, in engineering, distance between reinforcement and the outer surface of element * Sedimentary cover, in geology, overlies a

basement A basement is any Storey, floor of a building that is not above the grade plane. Especially in residential buildings, it often is used as a utility space for a building, where such items as the Furnace (house heating), furnace, water heating, ...

or crystalline basement

Military

Defilade Enfilade and defilade are concepts in military tactics used to describe a military formation's exposure to enemy fire. A formation or position is "in enfilade" if weapon fire can be directed along its longest axis. A unit or position is "in de ...

, physical barriers or

terrain Terrain (), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientati ...

that offer concealment and protection from enemy fire *

Force protection Force protection (FP) is the concept of protecting military personnel, family members, civilians, facilities, equipment and operations from threats or hazards in order to preserve operational effectiveness and contribute to mission success. It ...

, in the form of

surveillance Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing, or directing. This can include observation from a distance by means of electronic equipment, such as ...

, screening and/or

fire support Fire support is a military tactics term used to describe weapons fire used to support friendly forces by engaging, suppressing, or destroying enemy forces, facilities, or materiel in combat. It is often provided through indirect fire, though th ...

around a friendly troop's defensive perimeter *

Suppressive fire In military science, suppressive fire is "fire that degrades the performance of an enemy force below the level needed to fulfill its mission". When used to protect exposed friendly troops advancing on the battlefield, it is commonly called cover ...

, also known as covering fire * A term for any type of uniform hat: ** Campaign cover or campaign hat, a broad-brimmed felt or straw hat ** Utility cover, the United States Marine Corps cap

Sports

Cover (cricket) Cover, alternatively the covers, is a region of the field with respect to the batsman in cricket. The location of the cover region depends on a batsman’s handedness, but it is always a part of the Fielding (cricket), field on the off side in ...

, a region of the field with respect to the batsman in cricket * To cover, a term in sports betting regarding a game's point spread

Other uses

* Cover letter, a letter of introduction accompanying another document * Cover, or covers, the top layer of

bedding Bedding, also called bedclothes or bed linen, is the materials laid above the mattress of a bed for hygiene, warmth, protection of the mattress, and decorative effect. Bedding is the removable and washable portion of a human sleeping environment ...

Coverture Coverture was a legal doctrine in English common law under which a married woman's legal existence was considered to be merged with that of her husband. Upon marriage, she had no independent legal existence of her own, in keeping with society's ...

or couverture, a doctrine in common law relating to a wife's legal status