1. personal
1.1. meeting people
1.2. getting more fit
1.3. limitations
1.3.1. crippled
1.3.2. mentally impaired
1.3.3. socially impaired
2. functional
2.1. system
2.1.1. processes
2.1.1.1. account creation
2.1.1.2. location locator
2.1.2. inputs
2.1.2.1. park search
2.1.2.1.1. filters
2.1.2.1.2. location
2.1.2.2. Hot parks
2.1.2.2.1. rating
2.1.2.2.2. popularity
2.1.2.3. user information
2.1.2.3.1. location
2.1.2.3.2. name
2.1.2.3.3. adress
2.1.2.3.4. number
2.1.3. outputs
2.1.3.1. parks information
2.1.3.1.1. popularity
2.1.3.1.2. location
2.1.3.1.3. rating
2.1.3.1.4. equipment information
2.1.3.1.5. animals
2.1.3.1.6. sport actives
2.1.3.2. locations
2.1.4. data
2.1.4.1. Profile information
2.1.4.1.1. name
2.1.4.1.2. adress
2.1.4.2. park information
2.1.4.2.1. location
2.1.4.2.2. animal details
2.1.4.2.3. popularity
2.1.4.2.4. rating
2.1.4.3. privacy impacts
2.1.4.3.1. user agreement
2.1.4.3.2. location allowance
2.1.4.3.3. password
2.1.4.3.4. user name
2.2. limitations
2.2.1. offline users
2.2.2. user information risk
2.2.3. time
2.2.4. overwhelming users
3. non-Functional
3.1. user interface
3.1.1. correct contrust
3.1.2. universal controls
3.2. usability principles
3.2.1. feedback
3.2.2. availability and accessibility
3.2.3. clarity
3.2.4. learn ability
3.3. design
3.3.1. contrast
3.3.2. colours
3.3.3. pattrens
3.3.3.1. clarity
3.3.3.2. learn ability
3.4. limitations
3.4.1. time
3.4.2. effort
4. impacts
4.1. social
4.1.1. making friends
4.2. economic
4.3. + befits
4.3.1. happier people
4.3.2. more active people
4.4. - befits
4.4.1. crippled miss out