When looking at these kind of datasets, there's couple of very high level things I would like to know: 1)How granular the data is in terms of geographical locat

When looking at these kind of datasets, there's couple of very high level things I would like to know: 1)How granular the data is in terms of geographical location or time 2)What geographical areas and/or time scopes it covers 3)One-of dataset or constantly updated 4)License Having these as filtering conditions or as summary would help in browsing the datasets.