What is a module?

One of the most effective things you can do in a game is to use a modular…approach to building.…A module then is a repetitive component, and if we mix modules, if we create a…kit of parts, we can get a really effectively made game environment that's…believable and economizes on our resources.…As an example, in this building, we can see clearly a module in the left side.…I'll press B for brush and set my foreground color to a blue I can mark in,…and on a new layer I'll mark out a module.…

A lot of times a module is a split between two windows; however, the module on…this building isn't necessarily this piece, because this produces a seam right…in the middle of a wall.…A better module then, as I select and delete that by pressing Ctrl+A to select…all and delete, a better module might be this.…Now if you ignore the overlap in the gas pump here, we can see a module is a…section of wall that repeats cleanly from window to window, and includes a window…and the wall over it. That way can repeat this out and even get the end looking…