1.How to disable breadscumb feature?
You can disable it here: Unyson / Deactive Breadcrumbs Extension
2.How to edit Blog sidebar widget?
You can edit it here: Appearance / Widgets / Blog Sidebar
3. How to edit the content inside Activity tabs on Homepage in Elementor?
You can find the option to edit the content of these tab follow our video here:
And to edit the content of single activity tab, you can check our below video: