mahi

This is the default position of page title in Mahi theme.

By default, Mahi theme will place the Page title block in Page Header region. If it is not placed correctly, place Page title block in Page Header region.

Navigate to:

What is Breadcrumb Navigation

Breadcrumb Navigation is a user interface which shows the current page location. This is a very good feature for a website. This helps to improve user experience and SEO of your website. Drupal has this feature inbuilt.

Where Breadcrumb Navigation Links appear in theme

Breadcrumb Navigation should appear just below or above page title as shown in below image. But you may place it in any block region you wish.

Content on homepage can be added via two methods.

1. By editing homepage.
2. Via Block Region

Add content by editing homepage

Please refer to this tutorial page. This explains how to create a homepage and add content.
https://drupar.com/node/2627/

Mahi theme comes with inbuilt slider for homepage. No additional module is required for this.

How to manage homepage slider

Homepage slider can be managed from theme settings page.