The varieties of information that might be observed include:
1. Quantitative data (numbers)
2. Qualitative data (descriptions)
3. Categorical data (categories/groups)
4. Time-series data (trends over time)
5. Spatial data (geographical information)
6. Unstructured data (text, images)
7. Structured data (organized format)
8. Primary data (collected for specific research)
9. Secondary data (collected for other purposes but relevant).