Poker is a different kind of card game used mostly in casinos for gambling and unlike other gambling games it's requires to be very skillful, it's a game that needs more of skills than luck and to win and earn money, you ough to be the best at the game. In poker they call it bluffing your opponet or winning the best hand, there are other poker terminologies you may want to know, such as
As the player, we should know all the things to use it as the bluff strategy, like :
vigorish, tank, suited and etc [1]. I just know a few because I don't really like to play poker. because I always get easily hooked when the opponent try provoke my emotions. I agree with you, Poker is not just a luck, but a skill, even if a professional player has a bad card, he can win it if have ability to control his emotion and have acting skills on the table.
[1].
https://en.wikipedia.org/wiki/Glossary_of_poker_terms