Break - the act of opening a box or case that is being split to multiple collectors,
Breaker - A breaker is the host or the person who actually opens up the sealed product that is being distributed to multiple collectors.
Mixer - This is just when a break includes a mixture of different products.
Mini - This is your opportunity to enter the main break for a fraction of the cost. Let's say a spot in the main break costs $50. This spot may then be split into sub slots and one sub slot will be randomly selected to win a main spot.