All articles starting with K
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Key audit matters
Key audit matters are the matters an auditor judges most significant in auditing a company's financial statements, described individually in the auditor's report under the IAASB's ISA 701 (2015).
Key comparison
A key comparison is an interlaboratory comparison among National Metrology Institutes that establishes the equivalence of their national measurement standards under the CIPM Mutual Recognition Arrangement.
Key Comparison Database
The Key Comparison Database (KCDB) is the online database maintained by the BIPM in France that supports the CIPM Mutual Recognition Arrangement, listing reviewed calibration capabilities and key comparisons of national metrology institutes.
Key derivation function
A key derivation function (KDF) is a cryptographic algorithm that derives strong keys from passwords or shared secrets; password-based examples include PBKDF2, scrypt, and Argon2.
Key disclosure law
A key disclosure law, also called mandatory key disclosure, is a statute compelling someone to disclose passwords or encryption keys, with countries including the United Kingdom, France, India, and Australia having such laws.
Key encapsulation mechanism
A key encapsulation mechanism (KEM) is a set of algorithms that lets two parties securely establish a shared secret key over a public channel, for use with symmetric ciphers.
Key frame
Key frame (keyframe): a frame where an animated property's value is explicitly set, with in-between frames generated by interpolation; central to traditional cel animation and modern software like After Effects, with linear, hold, and ease interpolation types.
Key Glock
Key Glock (Markeyvius LaShun Cathey, b. 1997), Memphis rapper and Young Dolph's cousin, signed to Paper Route Empire; Yellow Tape went gold, Dum and Dummer 2 hit No. 8, Glockaveli marked his 2025 Republic debut.
Key grip
Key grip: head of the grip department on film and TV sets, shaping light with non-electrical tools and supporting and moving cameras, working alongside the gaffer under the DP, with a best boy grip as deputy.
Key Lake
Key Lake is a uranium mill in the Athabasca basin of northern Saskatchewan, Canada, which since 2000 has processed high-grade ore from Cameco's McArthur River mine, forming the world's largest high-grade uranium complex.
Key Largo (film)
Key Largo is John Huston's 1948 Warner Bros. film noir starring Humphrey Bogart, Edward G. Robinson, and Lauren Bacall, adapted from Maxwell Anderson's 1939 play; a gangster holds a Florida Keys hotel during a hurricane, and Claire Trevor won a supporting-actress Oscar.
Key lime
Key lime (Citrus aurantifolia, Mexican or West Indian lime) is a small thorny citrus with small, seedy, highly acid fruit, named for the Florida Keys; Mexico is now the main producer and the fruit flavors Key lime pie.
Key lime pie
Key lime pie: Florida's official state pie (2006) from the Florida Keys, made with Key lime juice, egg yolks, sweetened condensed milk, and a graham cracker crust, set by acid rather than baking, always yellow, never green.
Key of Solomon
The Key of Solomon, or Clavicula Salomonis, is a pseudepigraphic grimoire of ceremonial magic attributed to King Solomon and actually composed in the late Middle Ages.
Key performance indicator
A key performance indicator (KPI) is a quantifiable measure of progress toward a goal, distinguished from an ordinary metric by its tie to a specific objective.
Key size
Key size, also called key length, is the bit-length measure of a cryptographic key, and the main dial of cryptographic strength, though attacker work also depends on the algorithm.
Key Stage 2
Key Stage 2 (KS2) is years 3–6 (ages 7–11) of England's national curriculum, ending with May tests in grammar, punctuation and spelling, reading, and mathematics, plus teacher assessment in writing and science.
Key Stage 3
Key Stage 3 (KS3) is the third key stage of England's national curriculum, covering years 7 to 9, ages 11 to 14, with core subjects English, maths and science, foundation subjects including citizenship and modern foreign languages, and no national tests.
Key System
The Key System, also known as Key Route, was a transit network serving the East Bay from 1903 to 1960, running streetcars, ferries, and Bay Bridge trains to San Francisco.
Key Technology (company)
Key Technology, Inc. is an American company in Walla Walla, Washington, that makes digital sorting, inspection, conveying, and processing equipment for food processors and other industries.
Key to the Phoenix Heart (雀骨)
Key to the Phoenix Heart (雀骨, alias Sparrow Bone) is a 2026 28-episode Chinese costume romance drama on iQIYI, starring Hou Minghao and Amy in a marriage-before-love court-intrigue story; a zero-marketing summer hit with divided reviews.
Key usage
Key usage is an X.509 v3 certificate extension defined in RFC 5280 that restricts a public key to permitted operations such as digital signatures, encryption, or certificate signing.
Key West
Key West (Cayo Hueso) is a Florida city on the westernmost major Florida Keys island, incorporated 1828, county seat of Monroe County, population 26,444 (2020), home of the 1982 Conch Republic secession and a tropical-maritime climate with no recorded frost.
Key West International Airport
Key West International Airport, also called Key West Airport, is a Monroe County-owned airport in Key West, Florida, serving the Florida Keys; it handled about 1.4 million passengers in 2024.
Key-agreement protocol
A key-agreement protocol is a cryptographic protocol by which parties exchange messages over a public channel to establish a shared secret key, proposed by Diffie and Hellman in 1976.
KeyBank
KeyBank is the principal banking subsidiary of KeyCorp, a Cleveland bank holding company with about $187 billion in assets and roughly 940 branches across 15 states.
Keyboard Cat
Keyboard Cat is a meme based on Charlie Schmidt's 1984 VHS footage of his cat Fatso pretending to play a keyboard, uploaded to YouTube in 2007 and made viral in 2009 by Brad O'Farrell's "Play him off, Keyboard Cat" fail-video mashups; successor cat Bento carried the role until 2018.
Keyboard instrument
Keyboard instrument: any instrument played from a keyboard (piano, harpsichord, clavichord, organ, accordion, electronic keyboard). Keys trigger striking, plucking, wind, or electronic sound; the family began with Ctesibius's third-century B.C. hydraulis.
Keyboard layout
A keyboard layout, also called a keymap, is the assignment of characters and functions to keyboard keys, best known as QWERTY, which dates to the 1874 Remington typewriter.
Keyboard shortcut
A keyboard shortcut, or hotkey, is a key or combination of keys that performs a command normally done with a mouse, such as copying text.