Add helpful text to Query Loop block (#32694)

* Update and expand block descriptions for Query and Post Template.

* Add helpful text explaining the different intricate parts of a WP query.

The goal is to introduce users to some of the more obscure concepts
that come with WordPress, making the Query block a paving stone
for more advanced usage of the software.

packages/block-library/src/post-template/block.json

@@ -4,7 +4,7 @@
 	"title": "Post Template",
 	"category": "design",
 	"parent": [ "core/query" ],
-	"description": "Post Template.",
+	"description": "Contains the block elements used to render a post, like the title, date, featured image, content or excerpt, and more.",
 	"textdomain": "default",
 	"usesContext": [
 		"queryId",

packages/block-library/src/query/block.json

@@ -3,7 +3,7 @@
 	"name": "core/query",
 	"title": "Query Loop",
 	"category": "design",
-	"description": "Displays a list of posts as a result of a query.",
+	"description": "An advanced block that allows displaying post types based on different query parameters and visual configurations.",
 	"textdomain": "default",
 	"attributes": {
 		"queryId": {

packages/block-library/src/query/edit/query-inspector-controls.js

@@ -178,9 +178,9 @@ export default function QueryInspectorControls( {
 		<InspectorControls>
 			<PanelBody title={ __( 'Settings' ) }>
 				<ToggleControl
-					label={ __( 'Inherit query from URL' ) }
+					label={ __( 'Inherit query from template' ) }
 					help={ __(
-						'Disable the option to customize the query arguments. Leave enabled to inherit the global query depending on the URL.'
+						'Toggle to use the global query context that is set with the current template, such as an archive or search. Disable to customize the settings independently.'
 					) }
 					checked={ !! inherit }
 					onChange={ ( value ) => setQuery( { inherit: !! value } ) }
@@ -191,6 +191,9 @@ export default function QueryInspectorControls( {
 						value={ postType }
 						label={ __( 'Post Type' ) }
 						onChange={ onPostTypeChange }
+						help={ __(
+							'WordPress contains different types of content and they are divided into collections called "Post Types". By default there are a few different ones such as blog posts and pages, but plugins could add more.'
+						) }
 					/>
 				) }
 				{ displayLayout?.type === 'flex' && (
@@ -230,6 +233,9 @@ export default function QueryInspectorControls( {
 						options={ stickyOptions }
 						value={ sticky }
 						onChange={ ( value ) => setQuery( { sticky: value } ) }
+						help={ __(
+							'Blog posts can be "stickied", a feature that places them at the top of the front page of posts, keeping it there until new sticky posts are published.'
+						) }
 					/>
 				) }
 			</PanelBody>