You can customize each tab when you create it or by using the tab settings after creation. Tabs can also be customized from the command line.
/screen:set name="prod" /screen:set tabcolor=red /screen:set tabicon=fire
See the full list of options for the /screen:set slashcommand.
You can customize the name of each workspace from the workspace settings or from the command line.
/session:set name="python development"
See the full list of options for the /session:set slashcommand.