WKT Format
What is Well-Known-Text (WKT) Format?
WKT format is a commonly used format in GIS for a wide range of points, lines, and shapes. You can learn more about the format on it's Wikipedia page. Zite uses WKT format as means through which you can designate GIS data related to your sites and regions. Zite also uses WGS 84 (EPSG:4326), degrees, as the basis for formatting geodata.
What is the format of WKT?

How to get WKT formatted GIS data?
If you have a GIS shape file in another format, you will be able to easily convert these files into WKT formatted data using open source tools like QGIS, Python or even ChatGPT. Generally speaking, setting up complex geometries might require some more advanced knowledge and trouble shooting but shouldn't prevent you from starting your project in the meantime.