Twitter divides its rules under three categories: Safety, Privacy and Authenticity. Here are the things that fall under each of those three categories
source https://timesofindia.indiatimes.com/gadgets-news/heres-all-that-can-get-your-account-suspended-on-twitter/articleshow/85294498.cms
source https://timesofindia.indiatimes.com/gadgets-news/heres-all-that-can-get-your-account-suspended-on-twitter/articleshow/85294498.cms