This can be changed in a __resource.lua using the syntax that can be found here:
This variable is set according to the map resource you use. For example fivem-map-hipster
https://github.com/citizenfx/cfx-server-data/tree/master/resources/fivem-map-hipster
This cannot be changed. It shows the IP address of your server
Players refers to the amount of current and maximum players (clients). You can increase the player amount to a maximum of 32 (sv_maxclients 32)