• GPT, G/T → Gold Per Turn
• Pop → Population
• Prod → Production
• Tech → Technology
• WLTKD → We Love The King Day
• CS → City State
• Barbs → Barbarians
• Dom → Domination (the victory type)
• AI → Artificial Intelligence, in unciv it means the bot you play against in singleplayer
• Civ5 → Civilization 5, the game unciv was inspired by
• SP → Singleplayer
• MP → Multiplayer
• PR → Pull Request (it’s a github thing)
• F-droid → An android alternative to the play store to download apps

If I’m missing anything, please tell me.