I am using a MacBook Pro (Catalina, version 10.15.5). When I click on the adobe icon at the bottom of my screen, the screen switches to another screen. Likewise, when I click on the microsoft teams icon at the bottom of my screen, it switches to another screen.
I only want one screen, however. How can avoid this problem, ensuring that when I click on the microsoft teams/adobe/etcetera it opens in the same screen?