Language
af NotMyName k
1. Method
1.1. Human communication
1.2. Spoken
1.3. Written
2. System
2.1. Communication
2.1.1. Particular country
2.1.2. Community
3. Types
3.1. Non-verbal
3.1.1. Body language
3.1.2. Sign language
3.2. Verbal
3.2.1. Speaking
4. Computing
4.1. System of symbols
4.2. Rules
4.3. Write
4.3.1. Programs
4.3.2. Algorithms