What do they mean no Jews or dogs allowed?

Answer 1

The phrase "no Jews or dogs allowed" historically refers to discriminatory practices that exclude Jewish individuals from certain establishments or areas, often based on religious or ethnic prejudice. The comparison to dogs dehumanizes Jewish people and reinforces harmful stereotypes. Such exclusionary policies are rooted in bigotry and intolerance, and have been used to marginalize and discriminate against Jewish communities throughout history.

Answer 2

Just what it says. they were considered equitable by the Nazis.