multimedia-(muti-many)(Media-Video,audio,text,graphic)

1. component

1.1. text

1.1.1. serif

1.1.2. san serif

1.2. graphic

1.2.1. bit map

1.2.2. vector

1.3. audio

1.3.1. raw

1.3.2. wav

1.3.3. mp3

1.4. video

1.4.1. mp4

1.4.2. mpeg

1.4.3. av1

2. application

2.1. Study

2.2. entertaiment

2.3. education

2.4. business