What is a one-sentence summary of the following article?
This is the default tab on which you begin - this is your feed, a collection of all of the new posts from people you follow. From here, you can do the following:  Tap the + icon in the top left corner of your screen to record and post an Instagram Story for all of your followers to see. You'll need to allow Instagram access to your microphone and camera for this to work. Tap the delta symbol in the top right corner of your screen to view your Inbox. Direct messages will appear here. It's to the immediate right of the Home tab at the bottom of the screen. From here, you can search for accounts and keywords by typing in the "Search" bar at the top of the screen. Celebrity Instagram Stories will also appear on this page directly beneath the Search bar. It's two icons over from the magnifying glass icon. This is where all of your in-app notifications will appear (e.g., photo likes and comments, friend requests, etc.). This is the person-shaped icon in the bottom right corner. From here, you can do the following:  Tap the + icon in the top left corner of your screen to add friends from Facebook and your contacts list. Tap the three horizontal bars (☰) in the top right corner and then the gear or ⋮ at the bottom of your screen to view the Instagram options. You can adjust your account settings and add friends or social media accounts from here. Tap Edit Profile to the right of your profile picture to change your name or username, add a bio and/or website, and adjust your private information (e.g., your phone number and email address). It's in the bottom left corner of your screen. If any people whom you follow have posted since you've last visited this page, their new content will appear here automatically.

Summary:
Review the Home tab. View the "Search" page by tapping the magnifying glass icon. View your account's activity by tapping the heart icon. Visit your own profile by tapping the account icon. Return to the Home tab by tapping the house-shaped icon.