clickAndWait" command is some different than "click" command. It will wait for page to load means next command will be not executed until page not loaded successfully. You need to use this command when your
are clicking somewhere on page of software web application and page start reloading content.
- See more at: http://software-testing-tutorials-automation.blogspot.com/2012/10/click-and-clickandwait-commands-with.html#sthash.lgs5l0HP.dpuf