Surely you have already come across videos on YouTube, in the description of which there are beautiful icons of social networks, such as: Facebook, X (Twitter), TikTok, YouTube.
It looks something like this:

Agree, this is not a bad option. You may ask how to add icons: Facebook, X (Twitter), TikTok, Youtube to the video description. Everything is quite simple!
In the video description, add the full URL of the social network. It looks something like this:

The built-in Youtube editor will automatically understand that this is a link to a popular social network and will pull up the necessary icon. This is an important image moment in promoting channels on Youtube.
That's all. We hope that this material was useful to you.