Line

1. S= Line Owner

1.1. Admin

2. M= Line Content

2.1. News

2.2. Image

2.3. Video

3. C= Line Channel

3.1. Chat Room

3.2. Timeline Page

3.3. Chat Group

4. R= Line Receiver

4.1. Group Menbers

5. N= Noise

5.1. Internet Signal

5.2. Advertisement

5.3. Feedback

5.3.1. Comment

5.3.2. Inboox

6. Context

6.1. Group Friend