Signs has a lot of interesting aspects to it. https://www.imdb.com/title/tt0286106
https://en.wikipedia.org/wiki/Signs_(2002_film)#Plot
SIGNS Analyzed & Explained https://www.youtube.com/watch?v=V3Ju05PuiyQ , https://www.youtube.com/user/ChrisStuckmann/videos
https://www.allmovie.com/movie/v263250
The Signs Aliens Invasion Explained https://www.youtube.com/watch?v=LfL1Ck311U8 , https://www.youtube.com/c/RoanokeGaming/videos
Another take on Signs.
https://www.youtube.com/watch?v=iTGLlHXlZsc , https://www.youtube.com/user/PrettyMuchIt/videos