Go to a project and enter a test case. Here you can edit the test steps and structure.
Each one step of your test can be adjusted.
For each of those actions you can set additional parameters:
the ones varying per action type (e.g. add Basic authorization data for
Additional (custom to be added by you)
Delay & Timeout conditions:
Delay / Sleep
There are various ways to edit your test.
Operations on steps you can do within the test:
Run to this place
You can also
Drag to reorder the steps within the test: