To create a new section, click the New Section button and then follow the instructions found here.
To edit a measurable section, click the name of it on the left side of the screen (in the example below, the section named Measurable has been selected). The details will appear on the right side of the screen (highlighted in green, below).
To delete the section, click the Delete Section button (circled in red, above). When the following confirmation message appears, click the Yes button to confirm deletion.
