1 files changed, 16 insertions, 13 deletions

diff --git a/draft-schanzen-gns.xml b/draft-schanzen-gns.xml
index b323607..652ce02 100644
--- a/draft-schanzen-gns.xml
+++ b/draft-schanzen-gns.xml
@@ -183,7 +183,7 @@
          A GNS label is a label as defined in <xref target="RFC8499"/>.
          Within this document, labels are always assumed to be strings of
          UTF-8 characters <xref target="RFC8499"/> with a maximum length of
-         63 bytes. When hashed, labels MUST be canonicalized using
+         63 bytes.  When hashed, labels MUST be canonicalized using
          Normalization Form C (NFC) <xref target="Unicode-UAX15"/>.
        </dd>
        <dt>Name</dt>
@@ -195,26 +195,27 @@
        </dd>
        <dt>Top-Level Domain</dt>
        <dd>
-         A GNS Top-Level Domain is a GNS label and a Top-Level
-         Domain (TLD) as defined in <xref target="RFC8499"/>.
-         With the exception of Zone Top-Level Domains (see below),
+         The rightmost label in a GNS name is a GNS Top-Level Domain (TLD).
+         Unlike DNS Top-Level Domains (defined in <xref target="RFC8499"/>),
+         GNS does not use a root zone as such. Instead, 
+         with the exception of Zone Top-Level Domains (see below),
          GNS TLDs are part of the configuration of the local resolver
          (see <xref target="governance"/>) and may not be globally unique.
        </dd>
        <dt>Zone</dt>
        <dd>
          A GNS zone contains authoritative information (resource records).
-         A zone is uniquely identified by its zone key.
+         A zone is uniquely identified by its zone key.  Unlike DNS zones,
+         a GNS zone does not need to have a SOA record at its apex.
        </dd>
        <dt>Zone Type</dt>
        <dd>
-         The type of a GNS zone determines the format and type of the
-         zone key.
+         The type of a GNS zone determines the cipher system and binary encoding
+         format of the zone key, blinded zone keys, and signatures.
        </dd>
        <dt>Zone Key</dt>
        <dd>
          The zone key uniquely identifies a zone.
-         Its format and type depend on the associated zone type.
          The zone key is usually a public key of an asymmetric key pair.
        </dd>
        <dt>Blinded Zone Key</dt>
@@ -224,16 +225,18 @@
        </dd>
        <dt>Zone Owner</dt>
        <dd>
-         The owner of a GNS zone is the holder of the private key corresponding to
-         the respective zone key.
+         The owner of a GNS zone is the holder of the secret (typically a private key)
+         that (together with a label and a value to sign) allows the creation of zone
+         signatures that can be validated against the respective blinded zone key.
        </dd>
        <dt>Zone Top-Level Domain</dt>
        <dd>
-         A GNS Zone Top-Level Domain (zTLD) is a GNS name and a Top-Level
-         Domain (TLD) as defined in <xref target="RFC8499"/>.
-         It represents a sub-group of all TLDs and encodes the zone type and
+         A GNS Zone Top-Level Domain (zTLD) is a GNS label used as the
+         rightmost label in a GNS name which encodes a zone type and
          zone key of a zone.
          Due to the statistical uniqueness of zone keys, zTLDs are also globally unique.
+         A zTLD label can only be distinguished from ordinary TLD labels
+         by attempting to decode the label to a zone type and zone key.
        </dd>
        <dt>Resource Record</dt>
        <dd>