1) which like technology works?
2) you need a moonlight wallet/account? to receave them? (i think so right?)
3) does the person, who likes, need to have moonlight in order to tip by liking or do you mean EVERY like?
4) is moonlight the same as mooncoin, if not which role plays mooncoin?
The Moonlite wallet doesn't exist as well as the Moonlite account - the platform is decentralized and doesn't require installing a wallet (for the common user).
To a degree, you can say that any web page which you (and only you) are able to edit is your Moonlite 'account',
you can receive moonlite to it, and send moonlite from it.
No, you don't need to have moonlite to like, quite the opposite: you 'mine' moonlite when you like a page.
Moonlite is a bonus on top of Mooncoin blockchain, MOON and ML are different.
Moonlite commands are recorded on the Mooncoin blockchain, and you need to have about 29.5 million MOON to be able to mine ML for recording commands on the Mooncoin blockchain (however you can 'mine' moonlite also without MOON, when you like a page). Several levels of use.
Thank you for your questions, you are welcome to discuss them tomorrow in details,
if you need a quick understanding how it works, please have a look at http://mooncoin.com/ml, the section 'Quick Start'.