The specific deliverables you will get as a client are -
Wireframes: These are rough sketches that outline the basic layout and structure of a webpage or application. They typically show where various elements (such as buttons, images, and text) will be placed and how they will interact with each other.
Prototypes: A prototype is an interactive mockup of a design that allows stakeholders to get a feel for how the final product will function. This can be anything from a clickable wireframe to a fully functional demo.
User Flows: User flows outline the steps a user will take to accomplish a specific task within an application or website. They help designers and developers to understand the user's journey and identify pain points that can be addressed.
Design Mockups: These are detailed visual representations of the final design. They show the layout, typography, color scheme, and other design elements that will be used in the final product.
Design Style Guides: A style guide outlines the overall look and feel of the design, including things like color palettes, typography, and other visual guidelines.