Loaded page tab: a) Active - the tab that you have in front of your eyes at the moment. b) First is the first window on the left. c) By name - indicate the name of the tab or variable, taking into account the case of letters. d) By number - set the tab number. The numbering goes from left to right starting from 0. If you need to close the very first tab, then specify zero in the field, the subsequent tabs are 1, 2, 3….