1. easily reached: easy to enter or reach physically
2. easily understood: able to be appreciated or understood without specialist knowledge
3. easily available: able to be obtained, used, or experienced without difficulty
4. approachable: not aloof and not difficult to talk to or meet with
5. susceptible: susceptible to or likely to be influenced by something
6. easy for physically challenged people to use: suitable or adapted for people with physical challenges
7. logic observable from another world: able to be referred to from another possible world, so that the truth value of statements about it can be given
