How to use wordpress after installation?

Administration screen provides access to control features of wordpress, here we had tool bar at the top of the screen whenever mouse hover we can see the options of admin dashboard and other admin operations like logout etc.

On the left side we can see navigation menu detailing each function of the wordpress installation and the large area in the middle of the screen is the work area. Here we can add posts and adding pages for our sites. You can see the screen of admin panel as below
Adminpanel

Admin tool bar consist links to inform about wordpress and also consist of quick links for creating new posts and Media, Links, Pages, Users etc.
To the right of the WordPress logo you can see your site name. Hover over the site name to see the View Site link to visit your site.

On the far right of admin tool bar you can see Howdy user, when mouse hover on it a dropdown window will appear their you can find Admin, Edit my profile, Logout.
Posts:
Left side navigation contains post menu here it contains
• All Posts –>we can see all the existing post in the blog
• Add New –>We can add new post to our blog by clicking add new link
• Categories –>We see all the Existing categories in the blog posts
• Tags –>we can add tags for seo purpose
• Category –>We can add new category for blog, we can post articles by category wise.
Media:
Here in this media we can see
• Library –>Here we see all the uploaded images and videos
• Add new –>Here we can add new images are videos to our wordpress site
Links:
Here in this link menu we can see below sub menus
• Links we can see all custom links which we add in previous
• New Link we can add new custom links here
• Link Categories we can create categories for every new link which we created.
Pages:
Here in this menu we can see below sub menus
• All Pages we can see all existing pages in the project and also we can edit /delete
the pages.
• Add new we can add new page to the project.
Comments:
Here we can see the comments posted by users and also admin has full permissions to delete the comments posted by user.
And also without approval of admin the comment will not display.
Appearance:
Here we add themes, manage menus, using widgets wordpress add content to sidebar of the templates.
And also we can add custom widgets to the wordpress theme ,default wordpress that come with WordPress; for post categories, tag clouds, navigation, search, etc. Plugins will often add their own widgets.
We can see appearance menu as shown below
appearence