CREST - the Central Securities Depository for the U.K., Republic of Ireland, Isle of Man and Jersey equities and UK gilts. It operates a settlement system, allowing trades that have been agreed to be settled

EAI – Enterprise Application Integration

GUI – Graphical User Interface

SAA – SWIFTAlliance Access

SAB – SWIFTAlliance Webstation

SAG – SWIFTAlliance Gateway

SAS – SWIFTAlliance Starter Set

SAW – SWIFTAlliance Workstation

SMART – SMA Resilience Tools

SWIFT – Society for Worldwide InterBank Telecommunication

TLA – Three Letter Acronym

XML – eXtensible Markup Language, a W3C-recommended general-purpose markup language that supports a wide variety of applications