Visual design:

Visual design is a huge subject in web/app development, and it essentially focuses on improving the UI and UX of a website or app through visual elements and effects. It uses images, illustrations, typography, layouts, white spaces, and more to engage users with aspects like balance, contrast, and other principles that make for successful design.

Layout design:

Web design is the process of planning and crafting a website, including the graphical user interface (GUI), interactive elements, overall site organization, and navigation. UI designers work with UX designers to ensure that their design visually communicates the same concept that is being described by written content. A person who designs web pages to meet these expectations/specifications may be called a web designer, a web developer, an Internet designer, or a freelance web designer.

Interaction design:

To create a positive experience for your visitors, you need to understand the way people interact with websites. And know how to help designers create engaging interfaces with well-thought-out behaviors. Basic knowledge of interaction design is essential for every web designer who wants to create user-friendly experiences for users.