Add text input fields in wp admin?

Question

WordPress

Page with own design, on which the text is divided into 2 parts.
A page design file has been created, but it needs not one but two text input fields in the page editor.
Tell me how can I do this in php
These fields should be two

Answer 1

If it’s simple, then, for example, install the Advanced Custom Fields plugin or its analogues and add another field with a visual editor.
If directly using the WordPress API, then learn how to add your own Metaboxes .