1. First, click the 3-dot menu.
2. To move a topic, click either Move up or move down. The options available will depend on where the topic is on the page.
This will, for example, has moved the 'Use of English' topic above the Reading one.
1. To rename a topic, click on the 3-dot menu and select 'Rename'.
2. Type in the new name and click 'RENAME'.
As you can see it's changed the name of the Reading topic.
Deleting and linking to a topic is done via the same menu.