xili-dictionary is a multilingual dictionary storable in CPT and terms to create and translate .po files or .mo files and more (import, export...)

Noted That:

To install correctly this xili-dictionary.zip.
Fisrt Download the xili-dictionary.zip to your computer
Extract/Open xili-dictionary.zip to Your Computer.
Then, Find readme.txt file inside xili-dictionary.zip and Open readme.txt.
Now, Read the Requirements of this plugin. Which Wordpress Version and PHP Version are required to run this Plugin in Your Wordpress Site.
Then, Follow the the Tips Below.

Start the Tips:

1. First Download "xili-dictionary.zip" Plugin to your Local Computer. (Click Download)

2. Then, Login to your "yourdomain.com/wp-admin" Dashboard.

3. Then, Click on "Plugins" + "Add New" from left sidemenu of Dashboard.

4. Now, Click on "Upload Plugin" button.

5. Now, Browse "xili-dictionary.zip" Downloaded plugin from your computer, Where you downloaded xili-dictionary.zip According to Step – 1 Above then, click on "Install Now"

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "xili-dictionary" folder is added on left sidemenu. Now, Click on "xili-dictionary" folder.

Noted that: If you do not see "xili-dictionary" folder on left sidemenu then, see at left sidemenu "Settings" or "Tools".

8. Now you configure yourself oR Watch video tutorial below about xili-dictionary Configurtions and Settings or How to work "xili-dictionary" in your WordPress site.

After Activated Plugin According to Step-6 then,

Go to "Plugins" + "Installed Plugin" from Wordpress Admin Panel Leftside Menu.
or Direct go to: https://yourdomain/wp-admin/plugins.php
Then, Find "xili-dictionary" Activated Plugin from Plugin List.
Then, Click on "Settings" from Plugin that is xili-dictionary
Now, Edit/Add/Config the setting and Click on "Save Changes" button,

Guide

Guide
Upload the folder containing `xili-dictionary.php` and language files to the `/wp-content/plugins/` directory, Verify that your theme is international compatible – translatable terms like `_e('the term','mytheme')` and no text hardcoded – Activate and visit the dictionary page in tools menu and docs here – To edit a msg, you can start from dictionary list or XD msg list using current WP admin UI library. Don’t forget to adapt UI with screen options and moving meta boxes. More infos will be added progressively in a wiki here.

Upload the folder containing xili-dictionary.php and language files to the /wp-content/plugins/ directory,
Verify that your theme is international compatible – translatable terms like _e('the term','mytheme') and no text hardcoded –
Activate and visit the dictionary page in tools menu and docs here –
To edit a msg, you can start from dictionary list or XD msg list using current WP admin UI library. Don’t forget to adapt UI with screen options and moving meta boxes.

More infos will be added progressively in a wiki here.

files, dictionary, more, export, translate, import, create, multilingual, storable, terms,

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Reffered: https://wordpress.org/