Shortcodes are a convenient functionality of Hugo, allowing you to embed templates or layouts within other content.
Some of the example built-in shortcodes are Instagram posts, YouTube videos, QR codes, etc. You can find the full list in the official docs.
The theme provides custom shortcodes to allow you to customize your landing page as you want:
toc: Generates a styled table of contents from page headings.education-list: Displays a list of educational qualifications.experience-list: Shows a list of professional experiences.platform-links: Embeds links to various platforms with icons.newsletter-section: Adds a section for newsletter subscription.link: Creates a hyperlink with an icon.experience-section: Inserts a detailed experience section.contact-section: Adds a contact information section, with a customizable form and information.client-and-work-section: Displays a section for clients and work.about-section: About section, with image, buttons for call to action and image.testimonial-section: Adds references from customers, colleagues, etc.showcase: two-column block with a full-width image to the left, and a text snippet to the right. Great for a call to action or introduction of the person (assuming it’s a personal website).text-section: utility shortcode used to render text in some parts of the theme where it would otherwise be full-width, appearing “too floaty”. See the github issue #260 for context.spacer: Adds vertical spacing before the next element.
The shortcodes can be customized with different arguments:

