Address PR comments

text/0091-logs-vocabulary.md

@@ -20,30 +20,39 @@ A recording of an event. Typically the record includes a timestamp indicating
 when the event happened as well as other data that describes what happened,
 where it happened, etc.
 
-### Embedded Log 
+Also known as Log Entry.
 
-A log record embedded inside a [Span](https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/api-tracing.md#span) 
+### Log
+
+Sometimes used to refer to a collection of Log Records. May be ambiguous, since
+people also sometimes use `Log` to refer to a single `Log Record`, thus this
+term should be used carefully and in the context where ambiguity is possible
+additional qualifiers should be used (e.g. `Log Record`).
+
+### Embedded Log
+
+`Log Records` embedded inside a [Span](https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/api-tracing.md#span) 
 object, in the [Events](https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/api-tracing.md#add-events) list.
 
 ### Standalone Log
 
-A log record that is not embedded inside a Span and is recorded elsewhere.
+`Log Records` that are not embedded inside a `Span` and are recorded elsewhere.
 
 ### Log Attributes
 
-Key/value pairs contained in a Log Record.
+Key/value pairs contained in a `Log Record`.
 
 ### Structured Logs
 
-Logs that are recorded in a format that has a well-defined structure that allows
+Logs that are recorded in a format which has a well-defined structure that allows
 to differentiate between different elements of a Log Record (e.g. the Timestamp,
-the Attributes, etc). For example [Syslog, RFC5425](https://tools.ietf.org/html/rfc5424)
-protocol defines `structured-data` format.
+the Attributes, etc). The _Syslog protocol_ ([RFC 5425](https://tools.ietf.org/html/rfc5424)),
+for example, defines a `structured-data` format.
 
 ### Flat File Logs
 
 Logs recorded in text files, often one line per log record (although multiline
 records are possible too). There is no common industry agreement whether
 logs written to text files in more structured formats (e.g. JSON files)
-are considered Flat File Logs or no. Where such distinction is important it is
+are considered Flat File Logs or not. Where such distinction is important it is
 recommended to call it out specifically.