You can customize the entire wording displayed on the showcase.
On the admin panel, please follow these next steps: Display settings > Graphics themes, then click on the section called “User interface expressions”, choose between “showcase expressions” and “Modules expressions” depending your needs, and select the language by clicking on the associated flag.
Then click on the blue button “Expand all” et do a research for example with the word “Directors” in your browser (press the F3 key). You will be able to modify the word typing the new word on the right box.
Finally, do not forget to save your modifications by clicking on the “save” button at the top of the page.
The changes will apply immediately on the showcase site.