Classical element to use the term "element (στοιχεῖον, "stoicheion")" in reference to air, fire, earth, and water. The ancient Greek word for element, "stoicheion" (from "stoicheo", "to line up") meant "smallest division (of a sun-dial), a syllable", as the composing unit of an alphabet it could denote a letter and the smallest unit from which a word is formed. A similar alphabetic metaphor may be the origin of the equivalent Latin word "elementum" (from which the English word comes), possibly based on the names of the letters 'l', 'm', and 'n', though the validity of this idea is debated. In his "On
Ignition SCADA wrote an Ignition module to integrate with QuickBooks, which uses SOAP to communicate with the QuickBooks Web Connector. Modules must be submitted to Inductive Automation for testing prior to approval. Once tested, they are digitally signed and ready for distribution to production Ignition systems. Ignition is typically sold with an unlimited licensing structure, favoring a per server model that avoids charging for: clients, PLC or SQL Database connections, tags, or visualization screens. The most common Ignition software package is The Works which includes unlimited versions of the following modules: SQL Bridge, Vision, Reporting, and Symbol Factory. "Limited" versions of the