The term 'Not For Everyone' can be summarized by four crossword solutions: LIMITED, RATEDR, RRATED, and PRIVATE. LIMITED implies that something is restricted to a certain group of people, while RATEDR and RRATED suggest that the content is not suitable for everyone due to its mature content. PRIVATE implies that the content is only available to a select few, and PGTHIRTEEN suggests that the content is suitable for those aged 13 and up. All of these solutions indicate that the content is not suitable for everyone.