Google-Earth-Engine practical cases
To illustrate the use of the discussed terminology for satellite imagery processing, a few cases have been selected. A Google-Earth-Engine account is required to map and process the data.
Link to GEE available datasets, including Sentinel 1 & 2 imagery, SRTM-DTM, and many other data bulks.
Worldwide databases
The JRC and the Global-Flood databases for permanent water bodies and their fluctuations, are also available at GEE.