How to add your variables with editing from the admin panel?

Question

WordPress

There is a block with a video carousel (on each page). It is necessary that it would be possible to add and edit the name of the video and a link to them from the admin panel, and then access this data from the template and thereby set up a carousel with the videos you want.

Answer 1

In addition to Crab Anarchist 's answer .
Another option is Customizer .
Text field example .

Answer 2

Advanced Custom Fields