diff --git a/index.bs b/index.bs
index de5fb6c2..f3836387 100644
--- a/index.bs
+++ b/index.bs
@@ -308,7 +308,7 @@ Rights of Members
-
+
Membership Associations
A “Member Association” means a consortium,
@@ -1843,7 +1843,7 @@ Content of a Charter
The stable URL of the Working Group charter
under which the Exclusion Draft was published
- (labeled the “Exclusion Draft Charter”).
+ (labeled the “Exclusion Draft Charter”).
All of the above data must be identified
@@ -3273,7 +3273,7 @@ The W3C Recommendation Track
if it determines that the requirements for advancement
have not been met.
-
+
Maturity Stages on the Recommendation Track
@@ -3736,7 +3736,7 @@ Revising a Working Draft
Discontinued Draft
-
+
Transitioning to Candidate Recommendation
To publish a [=Candidate Recommendation=],
@@ -5033,7 +5033,7 @@ Liaisons
[=technical agreements=] with another organization.
For purposes of the W3C Process,
a technical agreement is a formal contract,
- or a Memorandum of Understanding (MoU),
+ or a Memorandum of Understanding (MoU),
or a similar document,
between W3C and another party or parties,
that relates to the technical activity of the Consortium
@@ -5425,8 +5425,64 @@ Process Evolution
the [[COC|Code of Conduct]] in the Positive Work Environment Community Group,
and the Process in the W3C Process Community Group.
-
-Acknowledgments
+
+Appendix A: Retired Terminology
+
+ This section is non-normative.
+
+ Previous version of this process defined and used various concepts and document statuses
+ that have since been removed or renamed.
+ For ease of reference,
+ this appendix lists the more notable ones,
+ and it links to the relevant section
+ of most recent version of the Process that still used them,
+ or gives the more recent equivalent term when there is one.
+
+ Retired concepts:
+
+ - Last Call
+
- Section 7.4.2 of the 2005 Process
+
+
- Team Submissions
+
- Section 2.2.1 of the 2019 Process
+
+
- Edited Recommendation
+
- Section 6.1.2 of the 2019 Process
+
+
- Amended Recommendation
+
- Section 6.2.1 of the 2020 Process
+
+
+ Renamed concepts:
+
+ - W3C Chair
+
-
+ Last used in the 2014 Process,
+ now called [=CEO=].
+
+
- Member Consortium (plural: Member Consortia)
+
-
+ Last used in the 2021 Process,
+ now called [=Member Association=].
+
+
- Maturity level
+
-
+ Last used in the 2021 Process,
+ now called [[#maturity-stages|maturity stage]].
+
+
- Memorandum of Understanding (plural: Memoranda of Understanding, abbreviation: MoU)
+
-
+ Last used in the 2021 Process,
+ now called [=technical agreement=].
+
+
- Other Charter
+
-
+ Last used in the 2020 Process,
+ now called [=Exclusion Draft Charter=].
+
+
+
+Appendix B: Acknowledgments
This section is non-normative.
@@ -5576,8 +5632,8 @@ Acknowledgments
Wendy Seltzer (W3C),
Yves Lafon (W3C).
-
-Changes
+
+Appendix C: Changes
This section is non-normative.