"Quarterly categories" refers to specific types of purchases or transactions that are eligible for bonus rewards or cashback during a three-month period. Full definition
There is no annual fee, and you'll earn 5 % cash back on rotating quarterly categories of purchases and 1 % cash back on everything else. (mybanktracker.com)
Even if you already have a Freedom card, another one can come handy, since each five percent quarterly category is limited to $ 1,500 in spending. (rewardexpert.com)
The rotating quarterly categories earn 5 % cash back for up to $ 1500 in spend, but now they double to 10 %. (dannydealguru.com)