When you have found the data,
understand it deeply with various options like
Statistics
Various data statistics help you understand the data quickly
Relationships
Understand what other related data exists to ensure you have found the right information
Users’ tribal knowledge
Various business units knows a lot about their data. Their knowledge and usage can help others tremendously
Lineage
How the data is getting created, where it is used, what the origin is, etc.
... and many more tools like data comparison, metadata changes,
references help you understand the data