The classification of the windows can be done taking into account various factors. Some properties to take into account are: type of opening, thermal insulation, materials used, maximum dimensions, etc.
At the design and functionality level, the general classification of windows is as follows: fixed windows and those that allow some type of opening, either partial or total. The main difference is that the former only allow the passage of natural light, while the latter allow air to circulate inside.
In the case of windows that allow opening, there are characteristic types used in all types of projects, among which the following stand out: