- Data visualization is a form of communication that portrays dense and complex information in graphical form. 
- The resulting visuals are designed to make it easy to compare data and use it to tell a story 
-  Both of which can help users in decision making

Principles in Data Visualization 

- Data visualization can be expressed in different forms.
- Charts are a common way of expressing data, as they depict different data varieties and allow data comparison.
- The type of chart you use depends primarily on two things:
- The data you want to communicate
- What you want to convey about that data
- These guidelines provide descriptions of various different types of charts and their use cases

Types of Data Visualization 

Data visualization depicts information in graphical form:
- Principles
- Types
- Selecting Charts
- Style

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- Confirmation & acknowledgement
- Data formats
- Data visualization
- Empty states
- Help & feedback
- Imagery
- Launch screen
- Onboarding
- Offline states
- Writing

Communication

Data formats depict different types of numeric and linguistic data.

Data formats

- Confirmation and Acknowledgment communications 
- Asks for confirmation before taking an action 
- Acknowledges successful actions

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