Docs: Variable edits (#24170)

* Update templates-and-variables.md

* Update advanced-variable-format-options.md

docs/sources/variables/advanced-variable-format-options.md

@@ -104,6 +104,16 @@ String to interpolate: '${servers:pipe}'
 Interpolation result: 'test1.|test2'
 ```
 
+## Raw
+
+Turns off data source-specific formatting, such as single quotes in an SQL query.
+
+```bash
+servers = ['test1.', 'test2']
+String to interpolate: '${var_name:raw}'
+Interpolation result: '{test.1,test2}'
+```
+
 ## Regex
 
 Formats multi-value variable into a regex string.

docs/sources/variables/templates-and-variables.md

@@ -66,7 +66,7 @@ Variables are listed in dropdown lists across the top of the screen. Select diff
 
 To see variable settings, navigate to **Dashboard Settings > Variables**. Click a variable in the list to see its settings.
 
-Templates are in the query portion of panels. Queries with text that starts with `$` are templates. Not all panels will have template queries.
+Variables can be used in titles, descriptions, text panels, and queries. Queries with text that starts with `$` are templates. Not all panels will have template queries.
 
 ## Variable types