Brainstorming

1. Achievements

1.1. status

1.2. progress

1.3. step

1.4. max value

2. Useri

2.1. id

2.1.1. Goal 1

2.1.2. Goal 2

3. reward

3.1. user

3.2. user 2

3.3. status

3.4. achievemnt

4. referrals

4.1. user1

4.1.1. Sub Idea 1

4.1.2. Sub Idea 2

4.2. user2