If you want to showcase your works, then you need to install a free plugin called Portfolio Post Type. After plugin activated, the Portfolio Settings panel will appear in the Customizer.
To display the portfolio section on the front-page go to the Homepage Sections panel. There, you must first enable the visibility of the portfolio section and its order of among other sections of the front page in the Sorting & Visibility panel. Then you can enter the section title and subtitle in the Portfolio Posts panel and specify the number of portfolio posts on the front-page section.
Of course, you must create portfolio entries for it’s display.
To create a portfolio page, you need to create a Custom Link (Custom Links tab) in the menu with a portfolio slug.