> For the complete documentation index, see [llms.txt](https://ask.birdie.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ask.birdie.ai/customer-intelligence/exploration-and-analysis/indicators-in-the-header.md).

# Indicators in the Exploration Overview

On every navigation page, you can see an Overview block displaying a chart and metrics. Although this header is customizable for each environment, its structure adheres to certain standard patterns.

![Header example](/files/TRtcuKFQEmrP3uHO6Ten)

The first indicator always pertains to the overall set of feedback. In the "Ovewview" block, the primary metric is the feedback count, while the secondary metric is the Impact Score.

![General block](/files/zgFFEQksJIwwXMiyCQsX)

The Impact Score represents the average level of dissatisfaction for a specific theme across the various channels of the company. Learn more [Metrics Glossary](/getting-started/metrics-glossary.md).

The remaining metrics depend on the collection of feedback sources ingested into the account, and their configuration can be adjusted per account. Thus, each environment can feature any combination of metrics; however, by default, all sources use the count as the primary metric and a secondary metric relevant to that source.

For example:

* For NPS, the secondary metric is the Score
* For Reviews, the secondary metric is the Average Rating

![Source examples](/files/ta2K9HG1sKqRaZ1iECZZ)

In all cases, the variation indicator is based on the primary metric and uses the date filter to compare the current period with the previous period. Hovering over this metric reveals the reference period.

![Variation hover](/files/TEP2yJiDwERdNTlw4sro)

For detailed information on each metric, please consult our [Metrics Glossary](/getting-started/metrics-glossary.md).


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