Yeah you  maybe you have some international standards , where you know , if you can use one is the other are  or almost the same , so the sign.
Oh you mean for the yeah pic pictograms or things like that ?
Yeah , yeah. For example , I dunno here , escape , you know , you have escape in computers you have , so if you see escape , you know that it should be the same.
Oh it should  okay , yeah. The user should know.