Players wanted the change to equalize the chances for making the playoffs for every division. Each season, eight of 30 major league teams have made the playoffs under the format that began in 1995, a year later than intended because of a strike that wiped out the end of the '94 season.
The term modular home describes the construction method, or the process of how the structure was built. modular construction 1. Construction in which a selected unit or module, such as a box or other subcomponent, is used repeatedly in the aggregate construction.
The picture you show is merely a modern home in a style that could date from any time since the 1930s, that just happens to have a flat roof. Homes that are built from modular units are often called 'modular'. Homes with flat roofs are often called 'flat roofed homes'. A modular home with a flat roof is often just that. There is no specific term for homes with flat roofs in English. A flat roofed home may be a flat, a bungalow, semi-detached (as my home), detached, and terraced etc. There are also many different styles of home, any one of which may have a flat roof.