Added guidance for this, these, that, those

doc/development/documentation/styleguide/word_list.md

@@ -347,11 +347,13 @@ Use instead of **sub-group**.
 
 ## that
 
-Do not use. For example:
+Do not use when describing a noun. For example:
 
-- Avoid: The file that you save...
+- Avoid: The file **that** you save...
 - Use instead: The file you save...
 
+See also [this, these, that, those](#this-these-that-those).
+
 ## there is, there are
 
 Try to avoid. These phrases hide the subject.
@@ -365,6 +367,22 @@ Avoid the use of gender-specific pronouns, unless referring to a specific person
 Use a singular [they](https://developers.google.com/style/pronouns#gender-neutral-pronouns) as
 a gender-neutral pronoun.
 
+## this, these, that, those
+
+Always follow these words with a noun. For example:
+
+- Avoid: **This** improves performance.
+- Use instead: **This setting** improves performance.
+
+- Avoid: **These** are the best.
+- Use instead: **These pants** are the best.
+
+- Avoid: **That** is the one you are looking for.
+- Use instead: **That Jedi** is the one you are looking for.
+
+- Avoid: **Those** need to be configured.
+- Use instead: **Those settings** need to be configured. (Or even better, **Configure those settings.**)
+
 ## to-do item
 
 Use lowercase. ([Vale](../testing.md#vale) rule: [`ToDo.yml`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/doc/.vale/gitlab/ToDo.yml))