to cap: capturing the city of an enemy
LC: Lost City
alt: ALTernate account, the 2nd (or more) account of someone
CC: coin cluster or coin cascade (ex: how big was that CC, 2191 coins)
SP: skill points (sometimes also called XP)
sb: Starburst (the item-upgrade, which you can only find in E and F, so it's not in this guide)
lag: When the game runs slowly or doesn't respond. Normally due to server errors or slow internet on your side.