Holding means that you are holding or keeping your cryptocurrency asset in the certain wallet (exchange/personal wallet/hardware wallets and others). But this will not pay you some profits monthly in the coins that you are holding. However, by holding, you may have chances to get higher profits after certain periods, because the assets that you are holding may be increasing after several years or months.

On the other hand, Staking is actually almost similar to holding, it is by keeping certain assets. But it's done in certain platform where it will also give you APY based on the certain period that you are staking. This will give you passive income weekly, monthly or yearly. However, you must be smart in chooisng the platfomr, whether it is reputable and trusted or not. Because, it is also risky if you are loisng your assets.
Not all coins can be staked and not all exchanges provide staking. So, do more research on this and also do more analysis on the rewards of AYP itself.