# What's the meaning of \`::\` in \`-tags :: Emacs Lisp\`?

**URL:** <https://org-roam.discourse.group/t/whats-the-meaning-of-in-tags-emacs-lisp/829>\
**Category:** Troubleshooting\
**Created:** [October 6, 2020, 9:01am UTC](https://org-roam.discourse.group/t/whats-the-meaning-of-in-tags-emacs-lisp/829 "2020-10-06T09:01:17Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![JoeyGreen](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@JoeyGreen](https://org-roam.discourse.group/u/JoeyGreen)\
**Post date:** [October 6, 2020, 9:01am UTC](https://org-roam.discourse.group/t/whats-the-meaning-of-in-tags-emacs-lisp/829/1 "2020-10-06T09:01:17Z")

</div>

The following contents are used to set tags in org-mode:

`- tags :: Emacs Lisp`

My question is, what’s the meaning of `::` here? Is it an org-mode keyword?

---

<div class="post-metadata">

**Author:** ![mshevchuk](https://avatars.discourse-cdn.com/v4/letter/m/35a633/32.png) [@mshevchuk](https://org-roam.discourse.group/u/mshevchuk)\
**Post date:** [October 6, 2020, 10:26am UTC](https://org-roam.discourse.group/t/whats-the-meaning-of-in-tags-emacs-lisp/829/2 "2020-10-06T10:26:20Z")

</div>

Yes, it’s a description list, one of [the Org Mode’s plain list styles](https://orgmode.org/manual/Plain-Lists.html) together with unordered and ordered lists.

---

<div class="post-metadata">

**Author:** ![JoeyGreen](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@JoeyGreen](https://org-roam.discourse.group/u/JoeyGreen)\
**Post date:** [October 6, 2020, 3:10pm UTC](https://org-roam.discourse.group/t/whats-the-meaning-of-in-tags-emacs-lisp/829/3 "2020-10-06T15:10:08Z")

</div>

Thanks, got it. It’s really hard to find the doc that contains the explanation.