Hello @LWK,
We have set up the new language translation files of the Theme and Core plugin for you on your site. Most of the words you referred to have already been translated on your site, and for the rest you can translate them as per your requirements into the Theme and Core plugin language files here:
Please refer to the screenshots provided below.
https://postimg.cc/dLW92Lwt
https://postimg.cc/WhKkprsr
https://postimg.cc/VSJZrXt8
In order to customize the text for the search bar, please navigate to Xstore >> Theme Options >> Header Builder >> Search. You can then change the text as per your requirements. Please refer to the screenshot below for further guidance: https://postimg.cc/WhKkprsr
We hope this helps.
Best Regards,
8Theme’s Team