Basic questions on natural attacks

[GroovyTaxi]

Natural attacks have always been a source of countless mysteries for me (even in 3.5), so I'm going to ask a bunch of random questions on them that the official entries failed to answer.

1. Some attacks are listed as "2 claws". Is this considered as one single attack? Can you, for example, charge and attack with both your claws?

2. "You do not receive additional natural attacks for a high base attack bonus. Instead, you receive additional attack rolls for multiple limb and body parts capable of making the attack (as noted by the race or ability that grants the attacks)." I guess a full-attack action is necessary to use several attacks in one round?

[Cralius the Dark]

1. No. Just one attack (1 claw) on a charge. Some creatures have the pounce feat which lets them charge and full attack (2 claws, etc)

2. Yes, a full attack action is required to use multiple attacks.

[GroovyTaxi]

Thank you!