- ❪✺❫ Astronomical Concepts ○
- ❪✺❫ Electromagnetic Concepts ○
- ❪✺❫ Mechanical Concepts ○
- ❪✺❫ Relativistic Concepts ○
- ❪✺❫ Temporal Concepts ○
- ❪✺₁❫ Physical Classes ○
- ❪✺₂❫ Physical Domains ○
- ❪✺₃❫ Physical Particulars ○
- ❪✺₄❫ Physical Sets ○
- ❪✺_❫ Physical Subs ○
- Advection ○
- Density ○
- Dimension ○
- Distance ○
- Flux ○
- Frame of Reference ○
- Matter ⚪
- Oscillation ○
- Radiation ○
- Space ⚪
- Time ⚪