One of the most powerful features of Tableau to a newcomer and those who aren’t sure how to display their data is the Show Me! button. Even as an experienced user I often use the Show Me in Tableau when I’m seeking inspiration as to the best ways to display the information in the dashboard.
To create a visualisation all that needs to be done is highlight the dimensions and measures to display by clicking on them while holding the ctrl key, click the Show Me! button and you have a visualisation. Simple as that.