Update glossary.md expanded member definition and PMC member references
In response to recent conversation about the use of "a PMC" to refer to a member of a PMC, I propose:
- an edit to the definition of 'member', since the ASF uses it in at least three ways.
- a note on not referring to a PMC member as "a PMC".
diff --git a/content/foundation/glossary.md b/content/foundation/glossary.md
index 67c68b2..62aba48 100644
--- a/content/foundation/glossary.md
+++ b/content/foundation/glossary.md
@@ -372,10 +372,13 @@
<dd>
-An individual who has been elected to membership in the ASF by the
-existing members. Membership benefits include having a voice in
+The ASF uses this term in three ways, so it is important to specify which you mean unless the context makes it obvious:
+ - An individual who has been elected to membership in the ASF by the
+existing members. ASF Membership benefits include having a voice in
the functioning of the Foundation, and the ability to nominate and vote
-on new Member candidates and on directors.
+on new Member candidates and on directors. Many writers capitalize "Member" when using it in this sense.
+ - An individual who is part of the [Project Management Committee](#PMC) of a top-level project, or of the Incubator.
+ - An individual who contributes to the work of a [project](#Project)'s community. This person could be an ASF Member, a PMC member, both, or neither.
</dd>
@@ -488,6 +491,9 @@
legal protections and responsibilities implied. See the
[Bylaws](bylaws.html#6.3).
+Avoid referring to a member of a PMC as "a PMC", as it can cause confusion about
+whether you are talking about the group or an individual.
+
</dd>
<dt>Podling {#Podling}</dt>
