what does "dialectical materialist analysis" mean?

cross-posted from: https://lemmygrad.ml/post/282034

found this here https://lemmy.ml/post/311172/comment/204938 and saw this a lot in lemmygrad communities.

So i know that this has some kind of relation to marx, that his work is "dialetical materialistl". But i always struggle to completely understand what this even means.