1) The document discusses different types of windows including casement windows, sash or glazed windows, fixed windows, sliding windows, pivoted windows, and double hung windows.
2) Windows are classified based on their material, operation, location. The selection of a window depends on factors like the size and location of the room as well as climatic considerations.
3) Specific window types discussed in more detail include fixed windows, casement windows, sash or glazed windows, sliding windows, double hung windows, pivoted windows, bay windows, louvered windows, corner windows, dormer windows, clerestory windows, and gable windows.