Order

1. symmetry

1.1. digital

1.2. natural

2. power

2.1. intimidation

2.2. force

2.3. uniform

2.4. army

2.5. control

3. city

3.1. blocks

3.2. law

3.3. growth

3.4. mechanical

3.5. equality

3.6. structure

4. natural

4.1. evolution

4.2. food chain

4.3. natural selection

5. similarity

5.1. ordinary

5.1.1. boring?

6. regularity

7. calm

7.1. peacefulness

7.2. tranquility

7.3. serenity

7.4. harmony

8. organisation

8.1. discipline

9. command

9.1. direction

9.2. obedience