What is an ETL job?

ETL stands for extraction, transform and load. So first the readout of data from multiple, mostly differently structured data sources, followed by the transformation or alteration of the data into a different format, and finally the reloading of the data into a corresponding target database. In this way the different data are cleaned and standardized.

What is hypermedia?

Hypermedia is a nonlinear medium of information whose main characteristic is hypermediality, the linking of information points by means of hyperlinks. Hypermedia can comprise any type or form of media, although the best-known is hypertext. Hypermedia is often incorrectly understood as or confused with multimedia.