---
schema_version: "1"
id: 7ff52342570b112529781aff7d0c7db4cac6d6c41afb6a95547c43b46a2105fe
title: Tableau Concepts
collection: tableau
version: current
locale: en-us
portal_url: https://docs.salesforce.com/tableau/current/en-us/pro/desktop/concepts.md
canonical_url: https://help.tableau.com/current/pro/desktop/en-us/concepts.htm
source_site: help.tableau.com
content_type: documentation
content_hash: e2108510e708ed403cfd13dcaf870ed600f010ae6bce2e0634ff4a9f7464dabe
description: Learn core Tableau concepts like dimensions, measures, data types, and aggregation.
---
[Skip to main content](#main-content)

# Tableau Concepts

What are dimensions and measures? Why are some fields dimensions and others measures?

Why is the background color blue for some fields, and green for others?

How does adding a filter affect my viz?

How does Tableau aggregate data in a view?

The topics in this section cover concepts that answer these questions to help you understand why Tableau does what it does.

If you're new to Tableau Desktop, also see other topics in [Get Started](https://help.tableau.com/current/pro/desktop/en-us/gettingstarted_overview.htm).

If you're new to Tableau Public, also see Tableau Public [Resources](https://public.tableau.com/en-us/s/resources).

## Other articles in this section