WQL+example
The following is a search card for all the User cards:
Lewis HoffmanEthan McCutchenJohn AbbeBrandonCsSandersDecko Bot 1gideonroRaymond KinghunabkuSara WingeImaginifyDavid DuncanAaron NelsonFranklin PierceMark "Junctionbox" HadfieldCuongTranNick DynicewilkartMarcus DerenciusTed ErnstGary HurleyJean Nurture Girl RussellMichael MarandaArthur BrockJim RubertoKenneth MacCluneSteveHabibRoseMichael "Networking" MarandaChristoph SturmShari AaronMike BulandStelios LoizidesKachina KatrinaJohn SechrestChuck LangenbergGerry GleasonEdward "ejt" TrudeauSecond PresidentLinnaea MarvellScott KeelerGunnerWord ManBrandon WilliamsCraigLucy PerryBrian KerrMarkus PalloIvan OvertonMarilise SmitKee NetheryMerike KahjuHenri LaupmaaKatie ShriverJennesa QuinnSara BrandtTim HoweGreg ElinJerry MichalskiJordan FowlerNick GrandyJohn CrossNathan YoungMarcello Della LongaAmy Sample WardLee LatourPaul WellsBronwyn XimmRaiphAaron WoodJustin Lowell-BellewLewis TestVinh NguyenEric Harris-BraunBluserTestUsernageshJosh SkovCynthia GentryFernanda IbarraColin J. CameronTim HiteDan RathenbergWyboRichard LinsenbergBrad PhelanWood TurnerBenjamin KudriaKen McCloskeyMaria BaldaufThomas DeVriesJabberWokkyJuan GarciaJay SandersYuShenGiacomo DiGrigoliLiz HenryJustine WittScott TrudeauDaniel EtraMarkus StraussJulien MarieJCK
If you edited that card, you would find the following CQL query:
{ "type": "User" }
which roughly translates to:
Find all cards of the type "User."
or, more casually:
Gimme all the User cards.
See many more examples at CQL Syntax.