4.1 Blog Page
Front Page displays your latest posts. This is default WordPress setting.
If you don't want to use latest posts for your home page you can navigate to the Settings > Reading and instead of the default "Front Page - Your latest posts" choose "A static page" and choose appropriate pages for the home and blog page.
4.1.1 Header Image
If you want to show top image with the title navigate to the Customizer and upload your header image.
4.1.2 Creating a post
First navigate to Post and create new post.
If featured image is uploaded it will be shown on the top of the content above the title.
What is sticky post and how to choose it?
"Sticky" post always comes out as the first post and it is usually used to highlight an important post. More about "sticky" post can be found here : https://codex.wordpress.org/Sticky_Posts.
Inside the box Publish > Visibility you'll be able to choose "Stick this post to the front page".
You can choose any post you want for your sticky post.
4.1.3 Blog Sidebar
Navigate to the Appearance > Widgets and inside the Blog Sidebar drag and drop your widgets. You can use Maisha custom widgets like "Maisha Sidebar: One Image Banner" or "Maisha Sidebar: Two Image Banner" for advertising or similar purpose.