Instead of calling LEGO® bricks by the number of knobs total on the top of a brick, we go by the number on one side and then the other side. Example instead of calling a brick with 8 knobs an 8 knob brick we call it a 2X4 (2 knobs on one side 4 knobs on the other, unless it is a 1X8, with 1 knob on one side and 8 on the other) It’s very similar to counting lumber.
Nicknames

Brick
: The basic LEGO element

Plate
: 1/3 the height of a LEGO brick, hence 3 LEGO plates make one brick

Knob
: On top of almost every LEGO brick, it is what interlocks with the underside of another brick

Washing Machine
: A 1X1 brick with a hole on the side, due to its resemblance to a front loading washing machine.

Jumper
: A 1X2 plate with one knob in the center, because you can "jump" the brick forward a half of a brick.

Smoothie
: Any plate without knobs, also called tiles
General Terms

Prototype: Any unglued model, built to figure out what the finished model will look like

1/2 Prototype: Same as above but for a model that will be completely symmetrical, so only one half needs to be designed

Parkcheck: A daily early morning walk through the park to evaluate the condition of all parkwide models, and do any necessary repairs

Miniland check: Same as above, but for Miniland

Stair Step: A way of building structurally sound models by making sure no brick seam overlaps another.

Bracing: Internal LEGO support for large models to avoid warping and distortion of the model.

Knob Paper: Special graph paper scaled to the size of LEGO bricks to draw out model designs before actual construction