Console Commands are commands that are used by the player to obtain items or modify their surroundings.these are only avalible when the player selects "allow cheats: on" when creating or opening the world that they are playing in.
|/||what it does|
|/gamerule||changes rule in game|
allows you to change or set the time ex: /time set 1200 (day) or 20000 (night)
|/give||gives a player an item|
|/kill||kills the player (only works on one's self.)|
these are best utilized with Command Blocks.