Xpath/Writing xpath with element & attributes in Tamil/selenium/part3

Описание: #testers #automation #seleniumwebdriver

how to Writing xpath with element & attributes and what is mean by Xpath?
why we need the Xpath? what is mean by Locators? Why we need the locators?

selectorhub link-https://chrome.google.com/webstore/detail/...

selenium part1 link-    • Selenium Tutorial series in Tamil/Part1/wh...  
selenium part2 link-    • Selenium Tutorial series in Tamil/Part2/Ho...  

manual testing part1 link-    • Manual Testing Part 1 water fall model/TAM...  
manual testing part2 link-    • Manual Testing Part 2/Spiral Model/Tamil/@...  
manual testing part3 link-    • Manual Testing Part 3/What is meant by  v-...