Let’s say you want to link to a blog post on how to create columns and toggles in Notion. To create a link from Notion to an outside source:

1. Navigate to or create a Notion page

2. Write the text you would like to link

3. To hyperlink, highlight your text 

4. A toolbar will appear above your text, click Link (or command+K).

5. Insert URL of the page you are linking out to 

6. Click Enter and your text is linked.

Here are some more resources on how to organize your Notion:
- Getting started with Notion
- How to use Notion Columns in Toggle
- How to organize your Notion with links, backlinks, and synced blocks