The phrase "certain hallmarks" refers to distinct characteristics or qualities that are typically associated with something or someone. Full definition
The film bears certain hallmarks of director Spielberg, most apparent in the tone of the picture. (iheartthetalkies.com)
«The immune system is designed to recognize certain hallmarks of virus infection,» said Erica Ollmann Saphire, the Scripps Research scientist who led the effort. (scripps.edu)
Like many of the great filmmakers, there are certain hallmarks in Anderson's work and obsessions that the filmmaker can be seen returning to again and again, perhaps without even realizing it. (indiewire.com)