Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. Each square carries a letter. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares.
breach definition: The definition of a breach is a break, or violation. (noun) An example of a breach is an agreement that has been broken. An example of a breach is a person violating their probation. ...
A fundamental breach (or repudiatory breach) is a breach so fundamental that it permits the aggrieved party to terminate performance of the contract. In addition that party is entitled to sue for damages.