The term new wave is used to describe many film movements after the second world war. what are several of these movements, and what general stylistic characteristics do they have in common?

There are many new wave movements happening in the film industry, French New Wave, Japanese New Wave, and Australian New Wave to name a few. New Wave films are all linked by certain characteristics, including: a rejection of literary period pieces written by novelists, a focus on current social issues in their true life locations/settings, and an experimentation with the form a film is shot in.