In this help doc

Create a Knowledge Glossary term

Click Glossary
If you have more than one Organization, you can select the desired one.
Click New Term
Type in the term you are defining. If the term is unique, you will receive a green confirmation message.
If the term is similar to another existing term, it will display the term and ask you if you want to modify that term. If this is a unique term, skip this step.
Enter the definition of the term
You can apply different formatting options to the definition, such as bold, italic, numbered lists, etc. For bold text, add ** symbols before and after a word or text. See image above. For more formatting options, see Markdown Syntax.
If you want to add any synonyms or alternative names for this term, type them and click Enter or return.
Type in tag names. Tags are used to group glossary terms. For example, you may have a few terms that you want everyone in your marketing department to know so you tag them "Marketing" and then when you click the tag name within glossary, all glossary terms with the same tag name will be listed. Click Enter or return.
Click Add Glossary Term
The new glossary term will be displayed.

Click Glossary
If you have more than one Organization, you can select the desired one.
Click Edit Term
Type in the term you are defining
Enter the definition of the term.
NOTE: You can apply different formatting options to the definition, such as bold, italic, numbered lists, etc. To do that, see Markdown Syntax.
Type in any aliases or alternative names for this term. Click Enter or return.
Type in tag names. Tags are used to group glossary terms. For example, you may have a few terms that you want everyone in your marketing department to know so you tag them "Marketing" and then when you click the tag name within glossary, all glossary terms with the same tag name will be listed. Click Enter or return.
Click Save

Click Glossary
If you have more than one Organization, you can select the desired one.
Click the 3-dot menu
Click Import from CSV
Download the sample CSV file.
NOTE: When filling in the CSV file with new Glossary Terms, leave the ID column empty. You would only need to use the ID column if you need to update existing Glossary terms. See image above. To get the IDs, you would need to export the existing Glossary terms first. See Export Glossary.
Choose file you want to import
Enter the Email address you would like to receive the import results to.
Click Import Glossary Entries
The status of the import will be displayed. Also, here you can see all your previous imports.

Click Glossary
If you have more than one Organization, you can select the desired one.
You can search by the glossary term name
The term/s will be displayed. The search term will be highlighted.
You can search by synonyms or the alternative names for the terms
You can search by words in the content
You can search by tags
You can combine multiple keywords. All of them need to be part of a glossary term.

Click Glossary
If you have more than one Organization, you can select the desired one.
Click the link on the desired glossary term to copy it. You can paste it to the desired member.

Click Glossary
Click the desired tag
Click the pencil to edit the tag
Click Merge
Select the other tag you want to merge this tag with.
Click Merge Tag
The glossary terms from the 1st tag will be displayed under the new tag.
NOTE: The merged tag will take the name of the 2nd tag. If you want to change its name, see step 4 in Edit a tag.