Hyperlinks and Internal Links

https://orgmode.org/manual/Link-Format.html#FOOT23

Org recognizes URIs (Uniform Resource Identifiers)—a string of characters used to identify a name or a resource on the Internet.

These can (optionally) be wrapped in .

http://www.example.com

Examples include:

http://www.example.com
ftp://ftp.example.com
mailto:user@rashi.com
file:///C:/Users/Name/Documents/file.txt
tel:+1234567890

The general link format looks like this:

[[LINK][DESCRIPTION]

[[..][..]]

One can exclude the description as in:

[[LINK]]

http://www.example.com
[[http://www.example.com]]
[[http://www.example.com][Example Link]]

Brackets disappear once all are present.

If you run C-c C-l while cursor is on a link you can edit the invisible LINK part

An important command is:

<<toggle>>

org-toggle-link-display

This is available through the Menu: Org/Hyperlinks/Literal Links

Backspace and Del serve to delete a hidden opening or closing bracket

[[https://edition.cnn.com/][cnn]]

C-c C-o will open/trigger the URI

  * Internal Links
     :PROPERTIES:
     :CUSTOM_ID: 136
     :END:

[[#136]]

Are links that operate within the current document.

One can create a CUSTOM ID in a properties drawer C-u org-insert-drawer

[[#custom_id]]

One can create a direct link to another header as in

[[*Header 1]])

Create dedicated targets with this format:

<<My Target>>

and then go to the kink with

[[My Target]].

One can create named keywords, e.g.

#+NAME: My Target

and then

[[My Target]]

[[*Introduction]]
[[toggle]]
[[angle brackets]]

#+NAME: My Target
| a  | table      |
|----+------------|
| of | four cells |

You can follow them by invoking C-c C-o and go back with C-c &

• Custom ID links are ideal for linking to sections frequently referenced within the document. They offer great precision in finding exactly the section you need.
  
• Headline links are useful for quickly creating links to specific headings within a document. (But not as accurate as above if more than one headline has the same term)
  
• Dedicated target links are used for finding specific (non-heading) locations in the text
  
• Named links are great for linking to tables, figures, charts, or code blocks.
  

I.e. glossaries, technical terms etc.

How to create?

<<<Machine Learning>>>

This section provides a detailed discussion about the fundamentals of Machine Learning.

Then simply retyping the exact phase:

[Machine Learning]

Machine Learning is good

[[#136]]
[[* Internal Links]]
[[My Target]]