diff --git a/gpl-lgpl.tex b/gpl-lgpl.tex
index 7f9975e79148a9f379e94f17bb6c63d311dec6d7..b27862715c88179b178f33cbb30a967adaec3759 100644
--- a/gpl-lgpl.tex
+++ b/gpl-lgpl.tex
@@ -480,8 +480,19 @@ developers of the kernel named Linux, have chosen to follow this paradigm.
 
 \label{copyleft-definition}
 
-% FIXME-URGENT: integrate
+Copyleft is a strategy of utilizing copyright law to pursue the policy goal
+of fostering and encouraging the equal and inalienable right to copy, share,
+modify and improve creative works of authorship.  Copyleft (as a general
+term) describes any method that utilizes the copyright system to achieve the
+aforementioned goal.  Copyleft as a concept is usually implemented in the
+details of a specific copyright license, such as the
+\hyperref[GPLv3-full-text]{GNU General Public License (GPL)} and the Creative
+Commons Attribution Share Alike License (the latter of which is the license
+of this work itself).  Copyright holders of creative work can unilaterally
+implement these licenses for their own works to build communities that
+collaboratively share and improve those copylefted creative works.
 
+% FIXME-URGENT: integrate
 Copyleft,
 which uses functional parts of copyright law to achieve an unusual result
 (legal protection for free sharing) forms the core legal principle of these
