Which category design pattern fit in computer science categories?

Below are computer science fields. Which field design pattern fit in? Programming language theory or software engineering?

Fields

1 Theoretical computer science
    1.1 Data structures and algorithms
    1.2 Theory of computation
    1.3 Information and coding theory
    1.4 Programming language theory
    1.5 Formal methods
2 Computer systems
    2.1 Computer architecture and computer engineering
    2.2 Computer performance analysis
    2.3 Concurrent, parallel and distributed systems
    2.4 Computer networks
    2.5 Computer security and cryptography
    2.6 Databases
3 Computer applications
    3.1 Computer graphics and visualization
    3.2 Human–computer interaction
    3.3 Scientific computing
    3.4 Artificial intelligence
4 Software engineering