How To Dev - Change of Terminology, for 2023 version of the platform

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After many years we are constrained to change some notations: due to the evolution of Snap4City tools and concepts in terms of their capabilities, features, some of the tools and concepts would be better represented with different names. In particular, we are evolving the names as reported in the following table. The change of the name will be progressively propagated in the platform tools, this document, document of technical overview, and on slides, step by step. In the meanwhile, in most cases the text would report both names, and thus please keep in mind that:

Former name

New name,

from 2023

What

IoT Device Model

Entity Model

A data model

IoT Device

Entity Instance

A data instance ready to get message for time series

IoT Device Variable

Entity Variable

A variable of an Entity Instance or of an Entity Model

IoT Device Message,

device message

Entity Message

A data message

IoT Directory

Entity Directory

The tool for managing models, entities, data models,

etc.

IoT Applications, IoT App

Processing Logic

= Node-RED + Snap4City Libraries

The tool for visual programming, node-red JavaScript,

data flow, ingestion logic, data transformation, data loading, interoperability, business logic.