unmanaged size. jnthn++

S99-glossary.pod

@@ -1012,6 +1012,11 @@ the C<Hash> type.  Often called associative table in other languages.
 
 =head2 hash context
 
+=head2 heap
+
+Dynamically allocated memory pool used for memory management. Unused parts are reclaimed
+by the L</GC>. See L<Memory management|https://en.wikipedia.org/wiki/Memory_management#DYNAMIC>.
+
 =head2 High Level Language
 
 A high level language provides abstractions that decouples it from specific
@@ -2715,6 +2720,11 @@ See L</compilation unit>.
 
 Symbols in the outermost lexical scope of a compilation unit.
 
+=head2 unmanaged size
+
+The amount of memory a L</REPR> has behind it that is not under
+the direct management of the L</GC>. Used for L</heap> profiling.
+
 =head2 unslushing
 
 See L</slushy>.