1. In computer networking, a stack is a frequently used method
of describing TCP/IP. 2. In computer programming, a stack is a
special data structure that removes items in the reverse order
from that they are added. 3. A stack may also refer to a
collection of computers that are stacked upon each other. This
may also refer to a stack of computer motherboards and required
components for a functional computer with no case that are used
for a computer farm. 4. In some video games, multiple players
join to defeat a creature, creating a party or raid. When
fighting some creatures, it is necessary to stack together. When
players stack, they are moving to a common spot, standing in a
tight group to create a smaller target for the creature to hit
or to share damage that is dealt by the creature, reducing the
chance of any one player dying during the battle.