Outline with Naming Convention

1.0 Headline 1

1.1 Headline 1, Level 2

1.1.1 Headline 1, Level 3, Part 1

1.1.1.1 This could link to someplace

1.1.2 Headline 1, Level 3, Part 2

1.1.2.1 This could link to someplace

2.0 Headline 2

2.1 This could link to someplace

2.2 This could link to someplace

2.3 This could link to someplace

2.4 This could link to someplace

3.0 Headline 3

3.1 This could link to someplace

3.2 This could link to someplace