From the main record screen, either swipe in from the left side of the screen to display your timelines view or tap the clock icon in the top left corner.  Make sure you are viewing your timelines.  In the top right corner tap  to create a new timeline.

To delete a timeline, you have to make sure you are viewing My Timelines.  To access this view from the main record screen, simply swipe in from the left or tap the clock icon on the top left corner. Then swipe from the right side in over your timeline that you wish to delete.  You will then uncover the delete icon. Tap  to delete your timeline. 

If you have already used your 2 free timelines and would like to create more timelines, you may purchase more timlines for 99¢ each.  To do this, simply add another timeline or go to profile and select   then tap on One Additional Timeline.

In Trending or Search, TAP on any timeline that is not yours. Slide from right to left over the users name.  Then you will uncover options to follow, like or block.  After following a user, you can unfollow by repeating the steps.

In Trending or Search, SWIPE from right to left on any timeline that is not yours.  Then you will uncover options to follow, like or block.  After liking a timeline, you can unlike by repeating the steps.

In Trending or Search, TAP on any timeline that is not yours. Slide from right to left over the users name.  Then you will uncover options to follow, like or block.  After liking a user, you can unlike by repeating the steps.