Hello, @erksoft,
Thanks for sharing the link to your site. When I check your site all the things that you mentioned already appear on the site. It looks like you have imported the demo “Grocery Market” on your site.
Check the screenshot of your site: https://postimg.cc/qh8JdKzk
In order to edit the, all department menu you have to go to the Dashboard >> Static Blocks there you will find the blocks, simply edit them and make changes as per your requirements then save settings, and changes will appear on the site. Here is the video for a better reference: https://www.youtube.com/watch?v=7QluEYxznKs&list=PLMqMSqDgPNmCCyem_z9l2ZJ1owQUaFCE3&index=7
Regards 8Themes Team.