The visual and audio elements on a website or app presented to a visitor. User interface (UI) elements can include text, images, sound, animation, video, or a combination of them. Keep in mind UI elements may be rendered in different ways depending on user preferences. For example, a person with low vision may use a screen reader to consume content. UI layout and testing is a major focus of user experience (UX) designers.

Combining Email Marketing with Other Types of Marketing
Whether you choose to do your marketing online or offline, one thing does not change. This is the concept that no single marketing strategy will be as effective as a combination of two or more marketing strategies.