To view the name of a marker on the map, you have two options:
1. Move the mouse over the marker, and a tooltip displaying the city name will appear.
2. Click on the marker, and a popup will display, showing the city name.

If you encounter a warning message while using the web application, it is likely due to the absence of a selected [Dataset] or [Visualization approach]. The system requires both a [Dataset] and a chosen [Visualization approach] for optimal functionality. To resolve this, please ensure you have selected a [Visualization approach] and specified a [Visualization approach] in the top navigation bar to proceed without encountering any warnings

To locate the marker for a wanted city on the map, you have two options:
1. Zoom and pan the map to the desired location, then either click directly on the map or hover your mouse over the markers to find the specific marker.
2. Utilize the search bar with automatic suggestions. Click on the search icon located on the top left, type the city name, and the system will provide relevant suggestions for you to choose from.
These options offer flexible ways to quickly find and navigate to the marker associated with your desired city.

Answer 4