The main problems with using maps are that:
- It could be upside down (yes, it happens in real life and not just movies!)
- The scale could be inaccurate and thus you either misjudge your distance or miss your turn.
- The actual map itself can be a bit confusing to read.
If you're referring to streams/rivers of water that run independently of another source in the ocean these are referred to as "currents" and can be very powerful depending on their location.
Answer: The acronym COVID 19 represents coronavirus disease of 2019.
