Call

Call may refer to:

In arts and entertainment

• Call (band), from Lahore, Pakistan
• "Call / I4U", a 2011 single by Japanese music group AAA
• A type of betting in poker
• A bid, pass, double, or redouble in the bidding stage of contract bridge

In science and technology

Computing

• System call, in computer science, the mechanism used by an application program to request service from the operating system or another application program
• Computer-assisted language learning, a concept in language education
• A shell command in DOS, OS/2 and Microsoft Windows command-line interpreters
• A method of starting a subroutine

Telecommunications

• Telephone call
• Call origination, in telephony
• An attempt to set up a telecommunication circuit
• In teletraffic engineering, a unit of traffic measurement

Other uses in science and technology

• Animal communication, a song or noise made by an animal such as:
  • Bird call, part of a bird song

In finance

• Call option, a term in stock trading
• Call on shares, a request for a further payment on partly paid share capital

Other uses

• Call (surname)
• Call, Texas, a community in the southern United States
• U.S. Army Center for Army Lessons Learned
• Center for Anglican Learning & Leadership at the Church Divinity School of the Pacific
• A command in square dancing, delivered by a caller

See also

• Call (surname)
• The Call (disambiguation)
• Caller (disambiguation)
• Calling (disambiguation)
• Call sign, in broadcasting and radio communications, a unique designation for a transmitting station