People need terms to refer to things. Math uses words I associate with different things in real life. When I read "ring" or "magma" I have something different

People need terms to refer to things. Math uses words I associate with different things in real life. When I read "ring" or "magma" I have something different in mind than a mathematician. ALB+ECS+RDS work vastly different from APIG+Lambda+DDB. Serverless is just a word that tries to capture that difference. Don't get too hang up on technicalities.