provide more context for Approved for Free Cultural Works

Author: TimidRobot

data/2024Q4/README.md

@@ -117,7 +117,9 @@ The complete data set indicates there are a total of 970,145,024 online works us
 
 Plots showing Approved for Free Cultural Works legal tool usage.
 
-For more information on retired legal tools, see [Understanding Free Cultural Works - Creative Commons](https://creativecommons.org/public-domain/freeworks/).
+[Understanding Free Cultural Works - Creative Commons](https://creativecommons.org/public-domain/freeworks/):
+
+> Using [the Freedom Defined definition of a "Free Cultural Work"], material licensed under CC BY or BY-SA is a free cultural work. (So is anything in the worldwide public domain marked with CC0 or the Public Domain Mark.) CC’s other licenses– BY-NC, BY-ND, BY-NC-SA, and BY-NC-ND–only allow more limited uses, and material under these licenses is not considered a free cultural work.
 
 <!-- Approved for Free Cultural Works End -->
 

scripts/3-report/gcs_report.py

@@ -464,9 +464,15 @@ def plot_free_culture(args):
         title,
         image_path,
         "Plots showing Approved for Free Cultural Works legal tool usage.",
-        "For more information on retired legal tools, see [Understanding Free"
-        " Cultural Works - Creative"
-        " Commons](https://creativecommons.org/public-domain/freeworks/).",
+        "[Understanding Free Cultural Works - Creative"
+        " Commons](https://creativecommons.org/public-domain/freeworks/):\n"
+        "\n"
+        '> Using [the Freedom Defined definition of a "Free Cultural Work"],'
+        " material licensed under CC BY or BY-SA is a free cultural work. (So"
+        " is anything in the worldwide public domain marked with CC0 or the"
+        " Public Domain Mark.) CC’s other licenses– BY-NC, BY-ND, BY-NC-SA,"
+        " and BY-NC-ND–only allow more limited uses, and material under these"
+        " licenses is not considered a free cultural work.",
     )