No, tokens do not count as creatures in the graveyard.
Yes, creature tokens are considered creatures in the game.
Yes, creature tokens are considered creatures in Magic: The Gathering.
In the game, tokens are put into the graveyard when they leave the battlefield.
In Magic: The Gathering, tokens are considered creatures if they have creature characteristics, such as power and toughness, and are represented by a physical token card or object on the battlefield.
Yes, tokens hit the graveyard when they die in a game of Magic: The Gathering.
No, treasure tokens in Magic: The Gathering do not go to the graveyard when used.
Yes, tokens are put into the graveyard in Magic: The Gathering when they leave the battlefield.
Tokens go to whichever zone, and then immediately cease to exist. So while cards which say "when a creature goes to the graveyard" will trigger when tokens go there, the tokens themselves do not stay in the graveyard, they just disappear. So no, they are not there for other abilities to bring back to the battlefield.
Yes, tokens trigger enter-the-graveyard effects when they are destroyed or sacrificed.
Yes, tokens created in Magic: The Gathering go to the graveyard when they are destroyed or removed from the battlefield.
No, permanents are cards on the battlefield, ie Enchantments, Artifacts, Creatures and Planeswalkers that have resolved to the field, as well as Token creatures, and Lands.
In Magic: The Gathering, you can create tokens by using cards or abilities that specifically generate token creatures. These tokens represent creatures on the battlefield and can be used to attack, block, or activate other card abilities.