CTA stands for Call To Action: the button, link, or message that tells someone what to do next. “Add to cart,” “Book a call,” “Download the guide” — that’s a CTA.
It isn’t decoration. In design and digital marketing, the CTA turns a visit into a next step. It goes hand in hand with conversion and is usually the star of a landing page. A good CTA is clear, visible, and promises something concrete; a bad one is vague (“click here”) or competes with five other buttons at once.
A real-life example of a CTA
Think of a corner shop: the big “2-for-1 today” sign next to the register is a CTA. It doesn’t ask you to explore the whole store; it invites an immediate action. On a website it’s the same: if someone arrived interested, the button should spell out the next step without making them guess.
In UX, the copy, color, and placement of the CTA matter as much as the product you offer. If nobody sees it or understands what happens on tap, conversion drops even when the rest of the page looks polished.