diff --git a/criteria/README.md b/criteria/README.md
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+The criteria folder holds the global criteria for the test bench. Sequence specific criteria can be defined at the sequence level.
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diff --git a/products/README.md b/products/README.md
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+Each python file defines a different product through its static parameters.
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diff --git a/station_config/README.md b/station_config/README.md
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+Configuration files for the station.
diff --git a/test_cases/README.md b/test_cases/README.md
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+The functions that implement the test cases are defined in test case libraries.
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diff --git a/test_sequences/README.md b/test_sequences/README.md
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+The sequences are separated in folders which hold the sequence and test cases declarations, the static configuration and the criterion specific to the sequence.
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diff --git a/test_tools/README.md b/test_tools/README.md
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+The test tools that are used to implement the test cases are defined in tool libraries.
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