domain registration rights

Hi, two confusions: 1. For example "windows" is a common general word and is used by many companies. Trademarkia shows many live trademarks with the word "windows" https://www.trademarkia.com/trademarks-search.aspx?tn=windows Suppose another company is doing something and extensions other...

Hi, two confusions: 1. For example "windows" is a common general word and is used by many companies. Trademarkia shows many live trademarks with the word "windows" https://www.trademarkia.com/trademarks-search.aspx?tn=windows Suppose another company is doing something and extensions other...