The action of a player placing a tile on the sloping side of the player’s rack.
This action is complete (finished) when the tile is seated on the sloping side of the rack and the player’s fingers have been taken off of the tile.
This action is not required during a player’s turn.
A player tapping their tile on their rack is not a part of this action nor is it a substitute for this action.
A player tapping their tile on their rack is not an official action and has no impact on the game or the player’s turn.