Edit content in wordpress?

Hi.
C Wordpress a little familiar, mainly at the level of the admin.
There is a landing page, you need to make for man a simple text editing. As harvesting took Underscores
Questions:
1. How do I add the ability to edit in the theme settings (4f6558f3ed.jpgscreenshot)?
Where you can read about it?

2. If you throw 1 item, how to do the following.
There is a block with 3 columns, where the text from the image. How to display to the admin these three separately? For example, in the admin panel there is menu item "news", it has sub-items News 1, News 2, News 3, you come at the right news and change the text (html editor should not be accessible, text-only).
p.s. While writing, I realized that you can do with records, but still the answer is useful.

Please all sorts of builders and templates/plug-ins do not offer. It is interesting to do.
August 19th 19 at 23:11
2 answers
August 19th 19 at 23:13
Solution
1. Setting the theme is not designed to control content.
2. To implement use the plugin Advanced Custom Fields.
How so? This wiziwig. In the screenshot you can see that you can edit the header for example. Here's how to add this option in your theme? I have no pencils near the text. - Brody_Schneid commented on August 19th 19 at 23:16
: On your screen - just a pencil to edit the title of your website. This can be called a "static setting" of the site. Which, moreover, would kill SEO plugins. Just the default theme of the site title appears as h1 on the page.

The lower pencil is description. And he also appears in the content on the main. Nonsense, in short.

Setup issues - not the content editor. - kathryn.Waelchi commented on August 19th 19 at 23:19
August 19th 19 at 23:15
Solution
Hi.

The fact that the screenshot is a Customizer. In the nucleus there is a set of standard controls + you can look custom on the Internet. A handy thing for landing pages, click on the pencil in the right place and in real time can see the result of the changes.

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