Comments

1- Press on the content
2-Swipe up to see the comments
3-You can add text comment by filling the field of text then press the button of send
4-You can add video reply by pressing on add video reply
Direct Messages
1-Press the messaging button in the bottom tool bar
2-You can review your messages or start a new conversation by clicking on the up right button

Notifications

You can review notifications by pressing on bell button on your homepage screen.